AU1639492A

AU1639492A – Processes for the diastereoselective synthesis of nucleosides
– Google Patents

AU1639492A – Processes for the diastereoselective synthesis of nucleosides
– Google Patents
Processes for the diastereoselective synthesis of nucleosides

Info

Publication number
AU1639492A

AU1639492A
AU16394/92A
AU1639492A
AU1639492A
AU 1639492 A
AU1639492 A
AU 1639492A
AU 16394/92 A
AU16394/92 A
AU 16394/92A
AU 1639492 A
AU1639492 A
AU 1639492A
AU 1639492 A
AU1639492 A
AU 1639492A
Authority
AU
Australia
Prior art keywords
processes
nucleosides
diastereoselective synthesis
diastereoselective
synthesis
Prior art date
1991-05-21
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Granted

Application number
AU16394/92A
Other versions

AU655973B2
(en

Inventor
Haolun Jin
Tarek Mansour
M. Arshad Siddiqui
Allan H.L. Tse
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Shire Canada Inc

Original Assignee
Shire Canada Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
1991-05-21
Filing date
1992-05-20
Publication date
1992-11-26
Family has litigation

First worldwide family litigation filed
litigation
Critical
https://patents.darts-ip.com/?family=24825144&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU1639492(A)
«Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1992-05-20
Application filed by Shire Canada Inc
filed
Critical
Shire Canada Inc

1992-11-26
Publication of AU1639492A
publication
Critical
patent/AU1639492A/en

1995-01-19
Application granted
granted
Critical

1995-01-19
Publication of AU655973B2
publication
Critical
patent/AU655973B2/en

2008-04-10
Assigned to SHIRE CANADA INC.
reassignment
SHIRE CANADA INC.
Request to Amend Deed and Register
Assignors: BIOCHEM PHARMA INC.

2012-05-20
Anticipated expiration
legal-status
Critical

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07D—HETEROCYCLIC COMPOUNDS

C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom

C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings

C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS

C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof

A—HUMAN NECESSITIES

A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE

A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS

A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics

A61P31/12—Antivirals

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07D—HETEROCYCLIC COMPOUNDS

C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom

C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings

C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members

C07D307/18—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms

C07D307/24—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07D—HETEROCYCLIC COMPOUNDS

C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms

C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3

C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings

C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07D—HETEROCYCLIC COMPOUNDS

C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms

C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3

C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings

C07D317/32—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms

C07D317/34—Oxygen atoms

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07D—HETEROCYCLIC COMPOUNDS

C07D327/00—Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms

C07D327/02—Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms one oxygen atom and one sulfur atom

C07D327/04—Five-membered rings

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07D—HETEROCYCLIC COMPOUNDS

C07D339/00—Heterocyclic compounds containing rings having two sulfur atoms as the only ring hetero atoms

C07D339/02—Five-membered rings

C07D339/06—Five-membered rings having the hetero atoms in positions 1 and 3, e.g. cyclic dithiocarbonates

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07D—HETEROCYCLIC COMPOUNDS

C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms

C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings

C07D409/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07D—HETEROCYCLIC COMPOUNDS

C07D411/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen and sulfur atoms as the only ring hetero atoms

C07D411/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen and sulfur atoms as the only ring hetero atoms containing two hetero rings

C07D411/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen and sulfur atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS

C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof

C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen

C07H19/04—Heterocyclic radicals containing only nitrogen atoms as ring hetero atom

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS

C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof

C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen

C07H19/04—Heterocyclic radicals containing only nitrogen atoms as ring hetero atom

C07H19/06—Pyrimidine radicals

C—CHEMISTRY; METALLURGY

C07—ORGANIC CHEMISTRY

C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS

C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof

C07H19/02—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing nitrogen

C07H19/04—Heterocyclic radicals containing only nitrogen atoms as ring hetero atom

C07H19/16—Purine radicals

Abstract

The present invention relates to highly diastereoselective processes for production of cis-nucleosides and nucleoside analogues and derivatives in high optical purity and intermediates useful in those processes.

AU16394/92A
1991-05-21
1992-05-20
Processes for the diastereoselective synthesis of nucleosides

Expired

AU655973B2
(en)

Applications Claiming Priority (2)

Application Number
Priority Date
Filing Date
Title

US70337991A

1991-05-21
1991-05-21

US703379

1991-05-21

Publications (2)

Publication Number
Publication Date

AU1639492A
true

AU1639492A
(en)

1992-11-26

AU655973B2

AU655973B2
(en)

1995-01-19

Family
ID=24825144
Family Applications (4)

Application Number
Title
Priority Date
Filing Date

AU16395/92A
Ceased

AU668086B2
(en)

1991-05-21
1992-05-20
Processes for the diastereoselective synthesis of nucleosides

AU16913/92A
Abandoned

AU1691392A
(en)

1991-05-21
1992-05-20
Processes for the diastereoselective synthesis of nucleosides

AU16908/92A
Abandoned

AU1690892A
(en)

1991-05-21
1992-05-20
Processes for the diastereoselective synthesis of nucleosides

AU16394/92A
Expired

AU655973B2
(en)

1991-05-21
1992-05-20
Processes for the diastereoselective synthesis of nucleosides

Family Applications Before (3)

Application Number
Title
Priority Date
Filing Date

AU16395/92A
Ceased

AU668086B2
(en)

1991-05-21
1992-05-20
Processes for the diastereoselective synthesis of nucleosides

AU16913/92A
Abandoned

AU1691392A
(en)

1991-05-21
1992-05-20
Processes for the diastereoselective synthesis of nucleosides

AU16908/92A
Abandoned

AU1690892A
(en)

1991-05-21
1992-05-20
Processes for the diastereoselective synthesis of nucleosides

Country Status (34)

Country
Link

US
(5)

US5756706A
(en)

EP
(2)

EP0515157B1
(en)

JP
(3)

JP3229013B2
(en)

KR
(3)

KR0160144B1
(en)

CN
(6)

CN1035555C
(en)

AT
(2)

ATE157662T1
(en)

AU
(4)

AU668086B2
(en)

BG
(2)

BG61695B1
(en)

CA
(2)

CA2069024C
(en)

CZ
(3)

CZ284975B6
(en)

DE
(2)

DE69208144T2
(en)

DK
(2)

DK0515157T3
(en)

EE
(1)

EE03044B1
(en)

ES
(2)

ES2084937T3
(en)

FI
(3)

FI106377B
(en)

GR
(2)

GR3018941T3
(en)

GT
(1)

GT199800047A
(en)

HK
(2)

HK132196A
(en)

HU
(2)

HU223838B1
(en)

IE
(2)

IE921618A1
(en)

IL
(6)

IL101931A
(en)

MD
(1)

MD1155C2
(en)

MX
(2)

MX9202404A
(en)

NO
(2)

NO300593B1
(en)

NZ
(2)

NZ242818A
(en)

OA
(1)

OA10212A
(en)

PL
(3)

PL176026B1
(en)

RO
(1)

RO116812B1
(en)

RU
(4)

RU2163909C2
(en)

SG
(1)

SG43863A1
(en)

SK
(2)

SK279438B6
(en)

TW
(4)

TW467907B
(en)

WO
(2)

WO1992020669A1
(en)

ZA
(2)

ZA923641B
(en)

Cited By (1)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

AU668086B2
(en)

*

1991-05-21
1996-04-26
Shire Canada Inc.
Processes for the diastereoselective synthesis of nucleosides

Families Citing this family (108)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US6903224B2
(en)

1988-04-11
2005-06-07
Biochem Pharma Inc.
Substituted 1,3-oxathiolanes

US5684164A
(en)

1988-04-11
1997-11-04
Biochem Pharma Inc.
Processes for preparing substituted 1,3-oxathiolanes with antiviral properties

US5466806A
(en)

*

1989-02-08
1995-11-14
Biochem Pharma Inc.
Processes for preparing substituted 1,3-oxathiolanes with antiviral properties

US6350753B1
(en)

1988-04-11
2002-02-26
Biochem Pharma Inc.
2-Substituted-4-substituted-1,3-dioxolanes and use thereof

DE69233014T2
(en)

*

1989-02-08
2004-01-08
Biochem Pharma Inc., Laval

METHOD FOR THE PRODUCTION OF ANTIVIRAL SUBSTITUTED 1, 3-OXATHIOLANS

US5276151A
(en)

*

1990-02-01
1994-01-04
Emory University
Method of synthesis of 1,3-dioxolane nucleosides

US5204466A
(en)

*

1990-02-01
1993-04-20
Emory University
Method and compositions for the synthesis of bch-189 and related compounds

US6703396B1
(en)

1990-02-01
2004-03-09
Emory University
Method of resolution and antiviral activity of 1,3-oxathiolane nuclesoside enantiomers

US5827727A
(en)

*

1990-02-01
1998-10-27
Emory University
Method of resolution of 1,3-oxathiolane nucleoside enantiomers

US5914331A
(en)

*

1990-02-01
1999-06-22
Emory University
Antiviral activity and resolution of 2-hydroxymethyl-5-(5-fluorocytosin-1-yl)-1,3-oxathiolane

US5587480A
(en)

*

1990-11-13
1996-12-24
Biochem Pharma, Inc.
Substituted 1,3-oxathiolanes and substituted 1,3-dithiolanes with antiviral properties

US5925643A
(en)

*

1990-12-05
1999-07-20
Emory University
Enantiomerically pure β-D-dioxolane-nucleosides

US5444063A
(en)

*

1990-12-05
1995-08-22
Emory University
Enantiomerically pure β-D-dioxolane nucleosides with selective anti-Hepatitis B virus activity

US6812233B1
(en)

1991-03-06
2004-11-02
Emory University
Therapeutic nucleosides

US5817667A
(en)

*

1991-04-17
1998-10-06
University Of Georgia Research Foudation
Compounds and methods for the treatment of cancer

GB9226879D0
(en)

*

1992-12-23
1993-02-17
Iaf Biochem Int
Anti-viral compounds

US6444656B1
(en)

1992-12-23
2002-09-03
Biochem Pharma, Inc.
Antiviral phosphonate nucleotides

US6005107A
(en)

1992-12-23
1999-12-21
Biochem Pharma, Inc.
Antiviral compounds

GB9226927D0
(en)

*

1992-12-24
1993-02-17
Iaf Biochem Int
Dideoxy nucleoside analogues

US5627160A
(en)

*

1993-05-25
1997-05-06
Yale University
L-2′,3′-dideoxy nucleoside analogs as anti-hepatitis B (HBV) and anti-HIV agents

TW374087B
(en)

*

1993-05-25
1999-11-11
Univ Yale
L-2′,3′-dideoxy nucleotide analogs as anti-hepatitis B(HBV) and anti-HIV agents

GB9311709D0
(en)

*

1993-06-07
1993-07-21
Iaf Biochem Int
Stereoselective synthesis of nucleoside analogues using bicycle intermediate

JPH09504785A
(en)

1993-09-10
1997-05-13
エモリー、ユニバーシティー

Nucleosides with anti-hepatitis B virus activity

US20020120130A1
(en)

1993-09-10
2002-08-29
Gilles Gosselin
2′ or 3′ -deoxy and 2′, 3′ -dideoxy-beta-L-pentofuranonucleo-side compounds, method of preparation and application in therapy, especially as anti- viral agents

US5587362A
(en)

*

1994-01-28
1996-12-24
Univ. Of Ga Research Foundation
L-nucleosides

IL113432A
(en)

*

1994-04-23
2000-11-21
Glaxo Group Ltd
Process for the diastereoselective synthesis of nucleoside analogues

GB9413724D0
(en)

1994-07-07
1994-08-24
Wellcome Found
Therapeutic nucleosides

US6448235B1
(en)

1994-07-11
2002-09-10
University Of Virginia Patent Foundation
Method for treating restenosis with A2A adenosine receptor agonists

US6514949B1
(en)

1994-07-11
2003-02-04
University Of Virginia Patent Foundation
Method compositions for treating the inflammatory response

IL115156A
(en)

*

1994-09-06
2000-07-16
Univ Georgia
Pharmaceutical compositions for the treatment of cancer comprising 1-(2-hydroxymethyl-1,3-dioxolan-4-yl) cytosines

US5703058A
(en)

1995-01-27
1997-12-30
Emory University
Compositions containing 5-fluoro-2′,3′-didehydro-2′,3′-dideoxycytidine or a mono-, di-, or triphosphate thereof and a second antiviral agent

US6391859B1
(en)

1995-01-27
2002-05-21
Emory University
[5-Carboxamido or 5-fluoro]-[2′,3′-unsaturated or 3′-modified]-pyrimidine nucleosides

US5808040A
(en)

*

1995-01-30
1998-09-15
Yale University
L-nucleosides incorporated into polymeric structure for stabilization of oligonucleotides

US5869461A
(en)

*

1995-03-16
1999-02-09
Yale University
Reducing toxicity of L-nucleosides with D-nucleosides

GB9506644D0
(en)

*

1995-03-31
1995-05-24
Wellcome Found
Preparation of nucleoside analogues

AU722214B2
(en)

1995-06-07
2000-07-27
Centre National De La Recherche Scientifique (Cnrs)
Nucleosides with anti-hepatitis B virus activity

KR100213932B1
(en)

*

1995-11-02
1999-08-02
김충환
Novel oligonucleoside derivatives and process for preparing the same

GB9600143D0
(en)

1996-01-05
1996-03-06
Wellcome Found
Therapeutic compounds

EP0799834A1
(en)

*

1996-04-04
1997-10-08
Novartis AG
Modified nucleotides

US6005097A
(en)

*

1996-06-14
1999-12-21
Vion Pharmaceuticals, Inc.
Processes for high-yield diastereoselective synthesis of dideoxynucleosides

US5753789A
(en)

*

1996-07-26
1998-05-19
Yale University
Oligonucleotides containing L-nucleosides

US6022876A
(en)

1996-11-15
2000-02-08
Yale University
L-β-dioxolane uridine analogs and methods for treating and preventing Epstein-Barr virus infections

DE69819695D1
(en)

1997-02-13
2003-12-18
Glaxo Group Ltd
Benzimidazolderivate

EP0986375A2
(en)

1997-04-07
2000-03-22
Triangle Pharmaceuticals Inc.
Use of mkc-442 in combination with other antiviral agents

BR9810745A
(en)

1997-06-10
2001-03-13
Glaxo Group Ltd

Benzimidazole derivatives

CA2297076A1
(en)

1997-07-30
1999-02-11
The Regents Of The University Of Michigan
Lyxofuranosyl benzimidazoles as antiviral agents

US20030220234A1
(en)

*

1998-11-02
2003-11-27
Selvaraj Naicker
Deuterated cyclosporine analogs and their use as immunodulating agents

YU44900A
(en)

1998-01-31
2003-01-31
Glaxo Group Limited
2-(purin-9-yl)-tetrahydrofuran-3,4-diol derivatives

CA2340214C
(en)

1998-08-12
2007-10-30
Triangle Pharmaceuticals, Inc.
Method of manufacture of 1,3-oxathiolane nucleosides

US6979561B1
(en)

1998-10-09
2005-12-27
Gilead Sciences, Inc.
Non-homogeneous systems for the resolution of enantiomeric mixtures

MXPA01006425A
(en)

1998-12-23
2002-06-04
Iaf Biochem Int
Antiviral nucleoside analogues.

US7635690B2
(en)

1999-01-22
2009-12-22
Emory University
HIV-1 mutations selected for by β-2′,3′-didehydro-2′,3′-dideoxy-5-fluorocytidine

US7115584B2
(en)

1999-01-22
2006-10-03
Emory University
HIV-1 mutations selected for by β-2′,3′-didehydro-2′,3′-dideoxy-5-fluorocytidine

US6232297B1
(en)

1999-02-01
2001-05-15
University Of Virginia Patent Foundation
Methods and compositions for treating inflammatory response

US7378400B2
(en)

*

1999-02-01
2008-05-27
University Of Virginia Patent Foundation
Method to reduce an inflammatory response from arthritis

US7427606B2
(en)

*

1999-02-01
2008-09-23
University Of Virginia Patent Foundation
Method to reduce inflammatory response in transplanted tissue

YU25500A
(en)

1999-05-11
2003-08-29
Pfizer Products Inc.
Process for the synthesis of nucleosite analogues

US6322771B1
(en)

1999-06-18
2001-11-27
University Of Virginia Patent Foundation
Induction of pharmacological stress with adenosine receptor agonists

ATE269081T1
(en)

1999-09-24
2004-07-15
Shire Biochem Inc

DIOXOLANE NUCLEOSIDE ANALOGUES FOR THE TREATMENT AND PREVENTION OF VIRAL INFECTIONS

AU1262001A
(en)

1999-11-04
2001-05-14
Biochem Pharma Inc.
Method for the treatment or prevention of flaviviridae viral infection using nucleoside analogues

US6436948B1
(en)

2000-03-03
2002-08-20
University Of Georgia Research Foundation Inc.
Method for the treatment of psoriasis and genital warts

CA2308559C
(en)

*

2000-05-16
2005-07-26
Brantford Chemicals Inc.
1,3-oxathiolan-5-ones useful in the production of antiviral nucleoside analogues

EP1903041B1
(en)

2001-03-01
2015-02-18
AbbVie Inc.
Polymorphic and other crystalline forms of cis-FTC

US6600044B2
(en)

2001-06-18
2003-07-29
Brantford Chemicals Inc.
Process for recovery of the desired cis-1,3-oxathiolane nucleosides from their undesired trans-isomers

WO2003029264A2
(en)

*

2001-10-01
2003-04-10
University Of Virginia Patent Foundation
2-propynyl adenosine analogs having a2a agonist activity and compositions thereof

NZ531944A
(en)

2001-10-19
2006-03-31
Isotechnika Inc
Synthesis of cyclosporin analogs

ITMI20012317A1
(en)

*

2001-11-06
2003-05-06
Recordati Ind Chimica E Farma

DIASTEREOSELECTIVE PROCESS FOR THE PREPARATION OF THE ANTIVIRAL AGENT4-AMINO-1- (2R-IDROSSIMETIL- / 1,3 / OSSATIOLAN-5S-I1) -1H-PIRIMIDIN-2-ONE

KR20040101991A
(en)

*

2001-12-14
2004-12-03
파마셋, 리미티드
Preparation of intermediates useful in the synthesis of antiviral nucleosides

US20050085638A1
(en)

*

2002-01-25
2005-04-21
Shire Biochem Inc
Process for producing dioxolane nucleoside analogues

US7365173B2
(en)

*

2002-02-04
2008-04-29
American National Red Cross
Method for the production of pure virally inactivated butyrylcholinesterase

AU2003294212B2
(en)

2002-08-06
2010-01-07
Pharmasset Inc.
Processes for preparing 1,3-dioxolane nucleosides

SI1583542T1
(en)

*

2003-01-14
2008-12-31
Gilead Sciences Inc
Compositions and methods for combination antiviral therapy

ITMI20030578A1
(en)

2003-03-24
2004-09-25
Clariant Lsm Italia Spa

PROCESS AND INTERMEDIATES FOR THE PREPARATION OF EMTRICITABINE

CN101044122A
(en)

2004-02-03
2007-09-26
埃莫里大学
Methods to manufacture 1,3-dioxolane nucleosides

WO2006028618A1
(en)

*

2004-08-02
2006-03-16
University Of Virginia Patent Foundation
2-polycyclic propynyl adenosine analogs with modified 5′-ribose groups having a2a agonist activity

AU2005267706B2
(en)

*

2004-08-02
2011-12-08
University Of Virginia Patent Foundation
2-propynyl adenosine analogs with modified 5′-ribose groups having A2A agonist activity

US7442687B2
(en)

*

2004-08-02
2008-10-28
The University Of Virginia Patent Foundation
2-polycyclic propynyl adenosine analogs having A2A agonist activity

US7837651B2
(en)

*

2004-08-31
2010-11-23
Ethicon Endo-Surgery, Inc.
Infusion pump

US7250416B2
(en)

2005-03-11
2007-07-31
Supergen, Inc.
Azacytosine analogs and derivatives

TWI375560B
(en)

2005-06-13
2012-11-01
Gilead Sciences Inc
Composition comprising dry granulated emtricitabine and tenofovir df and method for making the same

TWI471145B
(en)

2005-06-13
2015-02-01
Bristol Myers Squibb & Gilead Sciences Llc
Unitary pharmaceutical dosage form

US7700567B2
(en)

2005-09-29
2010-04-20
Supergen, Inc.
Oligonucleotide analogues incorporating 5-aza-cytosine therein

WO2007077505A2
(en)

*

2005-12-30
2007-07-12
Ranbaxy Laboratories Limited
Crystalline l-menthyl (2r, 5s)-5-(4-amino-5-fluoro-2-oxo-2h-pyrimidin-1-yl)[1, 3]oxathiolan-2-carboxylate and process for preparation thereof

US8178509B2
(en)

*

2006-02-10
2012-05-15
University Of Virginia Patent Foundation
Method to treat sickle cell disease

US8188063B2
(en)

*

2006-06-19
2012-05-29
University Of Virginia Patent Foundation
Use of adenosine A2A modulators to treat spinal cord injury

CA2667891A1
(en)

*

2006-10-30
2008-05-08
Lupin Limited
An improved process for the manufacture of lamivudine

CA2700267A1
(en)

2007-09-26
2009-04-02
Clavis Pharma Asa
Azacytidine analogues and uses thereof

US20100311970A1
(en)

*

2007-11-29
2010-12-09
Ranbaxy Laboratories Limited
Process for the preparation of substituted 1,3-oxathiolanes

WO2009069012A1
(en)

*

2007-11-29
2009-06-04
Ranbaxy Laboratories Limited
Process and intermediates for the preparation of substituted 1, 3-oxathiolanes, especially lamivudine

US8350030B2
(en)

2007-12-07
2013-01-08
Matrix Laboratories Limited
Process for producing 5-fluoro-1-(2R, 5S)-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]cytosine

US8058259B2
(en)

*

2007-12-20
2011-11-15
University Of Virginia Patent Foundation
Substituted 4-{3-[6-amino-9-(3,4-dihydroxy-tetrahydro-furan-2-yl)-9H-purin-2-yl]-prop-2-ynyl}-piperidine-1-carboxylic acid esters as A2AR agonists

SG10201609006WA
(en)

2008-05-02
2016-12-29
Gilead Sciences Inc
The use of solid carrier particles to improve the processability of a pharmaceutical agent

WO2010082128A1
(en)

2009-01-19
2010-07-22
Aurobindo Pharma Limited
Process for the preparation of cis-nucleoside derivative

HUE025822T2
(en)

2009-02-06
2016-04-28
Gilead Sciences Inc
Bilayer tablets comprising elvitegravir, cobicistat, emtricitabine and tenofovir

EP2521729A4
(en)

*

2010-01-08
2013-07-31
Hetero Research Foundation
Improved process for nucleosides

CA2787691C
(en)

2010-01-27
2018-07-17
Glaxosmithkline Llc
Combinations for use in the inhibition of hiv-1

US20120295930A1
(en)

*

2010-02-03
2012-11-22
Shankar Rama
Novel process for the preparation of cis-nucleoside derivative

WO2011107920A1
(en)

2010-03-04
2011-09-09
Ranbaxy Laboratories Limited
A process for stereoselective synthesis of 5-fluoro-1-(2r,5s)-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]cytosine

EP2377862A1
(en)

2010-03-29
2011-10-19
Esteve Química, S.A.
Process for obtaining emtricitabine

WO2011141805A2
(en)

2010-05-14
2011-11-17
Lupin Limited
An improved process for the manufacture of lamivudine

WO2012062835A1
(en)

2010-11-12
2012-05-18
Glaxo Wellcome Manufacturing Pte Ltd
Novel pharmaceutical compositions

US20130296562A1
(en)

2011-08-05
2013-11-07
Lupin Limited
Stereoselective process for preparation of 1,3-oxathiolane nucleosides

US9381207B2
(en)

2011-08-30
2016-07-05
Astex Pharmaceuticals, Inc.
Drug formulations

CN103242243B
(en)

*

2013-01-08
2015-08-19
北京大学
A kind of base triacetin ether-ether molecule, its chemical synthesis process and the application in field of gene thereof

CN103288806A
(en)

*

2013-07-02
2013-09-11
山东大学
Synthesis method of troxacitabine

KR20180024010A
(en)

2015-07-02
2018-03-07
오쓰까 세이야꾸 가부시키가이샤

The lyophilized pharmaceutical composition

CN105037340B
(en)

*

2015-07-14
2018-08-10
福建广生堂药业股份有限公司
A kind of preparation method of lamivudine key intermediate chiral isomer impurity

JP2020529409A
(en)

2017-08-03
2020-10-08
大塚製薬株式会社

Drug compounds and their purification methods

Family Cites Families (29)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

FR1445013A
(en)

*

1964-07-09
1966-07-08
Thomae Gmbh Dr K

Process for making new dioxolano-2-carboxylic acids

US4383114A
(en)

*

1977-02-09
1983-05-10
Regents Of The University Of Minnesota
Adenosine deaminase resistant antiviral purine arabinonucleosides

US4231945A
(en)

*

1978-11-08
1980-11-04
Schering Corporation
S-5-(Azidomethyl or aminomethyl)-2-lower-alkoxytetrahydrofurans

US4479942A
(en)

*

1981-08-10
1984-10-30
Fujisawa Pharmaceutical Co., Ltd.
Tetrahydrofurnancarboxylic acid derivatives, processes for preparation thereof and pharmaceutical compositions thereof

US4855304A
(en)

*

1985-01-10
1989-08-08
Repligen Corporation
Dinucleoside pyrophosphates and pyrophosphate homologs as plant antivirals

DK363987A
(en)

*

1986-08-08
1988-02-09
Hoffmann La Roche

pyrimidine

GB8621268D0
(en)

*

1986-09-03
1986-10-08
Univ Strathclyde
Separation of substances

US4997818A
(en)

*

1987-09-21
1991-03-05
The University Hospital
Therapeutic method for selectively treating terminal deoxynucleotidyl transferase-positive neoplastic leukemias and lymphomas

SE8704298D0
(en)

*

1987-11-03
1987-11-03
Astra Ab

COMPOUNDS FOR USE IN THERAPY

US4997926A
(en)

*

1987-11-18
1991-03-05
Scripps Clinic And Research Foundation
Deaminase-stable anti-retroviral 2-halo-2′,3′-dideoxy

JPH022349A
(en)

*

1988-02-17
1990-01-08
Takeda Chem Ind Ltd
Pyrimidine analogue-tolerated gene dna and use thereof

US5047407A
(en)

*

1989-02-08
1991-09-10
Iaf Biochem International, Inc.
2-substituted-5-substituted-1,3-oxathiolanes with antiviral properties

NZ228645A
(en)

*

1988-04-11
1991-09-25
Iaf Biochem Int
1,3-dioxolane derivatives substituted in the 5th position by a purine or pyrimidine radical; treatment of viral infections

GB8815265D0
(en)

*

1988-06-27
1988-08-03
Wellcome Found
Therapeutic nucleosides

DE3823127A1
(en)

*

1988-07-08
1990-01-11
Rheinische Braunkohlenw Ag

DEVICE AND METHOD FOR PURIFYING WASTE WATER

US4987224A
(en)

*

1988-08-02
1991-01-22
University Of Georgia Research Foundation, Inc.
Method of preparation of 2′,3′-dideoxynucleosides

DE3827134A1
(en)

*

1988-08-10
1990-03-15
Bayer Ag

SUBSTITUTED TRIAZOLYL OR IMIDAZOLYL-HYDROXYALKYLDIOXOLANE, METHOD FOR THE PRODUCTION THEREOF AND THE USE THEREOF AS MICROBICIDES, OXIRANYLDIOXOLANES, DIOXOLANYLKETONE, OXIRANYLKETONE AND (ALPHA) -HALOGENICENETHENO ZERO DETECTED

US5075225A
(en)

*

1989-04-06
1991-12-24
The Texas A&M University System
Process for the enzymatic synthesis of nucleosides

NZ233197A
(en)

*

1989-04-13
1991-11-26
Richard Thomas Walker
Aromatically substituted nucleotide derivatives, intermediates therefor and pharmaceutical compositions

IE902574A1
(en)

*

1989-07-17
1991-02-27
Univ Birmingham
Antiviral pyrimidine nucleosides

IE904378A1
(en)

*

1989-12-20
1991-07-03
Abbott Lab
Analogs of oxetanyl purines and pyrimidines

US5204466A
(en)

*

1990-02-01
1993-04-20
Emory University
Method and compositions for the synthesis of bch-189 and related compounds

GB9009861D0
(en)

*

1990-05-02
1990-06-27
Glaxo Group Ltd
Chemical compounds

GB9014090D0
(en)

*

1990-06-25
1990-08-15
Zaadunie Bv
Improvements in or relating to organic compounds

WO1992010496A1
(en)

*

1990-12-05
1992-06-25
University Of Georgia Research Foundation, Inc.
ENANTIOMERICALLY PURE β-L-(-)-1,3-OXATHIOLANE NUCLEOSIDES

IL100965A
(en)

*

1991-02-22
1999-12-31
Univ Emory
2-Hydroxymethyl-5-(5-fluorocytosin-l-yl)-1,3-oxathiolane its resolution and pharmaceutical compositions containing it

WO1992018517A1
(en)

*

1991-04-17
1992-10-29
Yale University
Method of treating or preventing hepatitis b virus

GB9109506D0
(en)

*

1991-05-02
1991-06-26
Wellcome Found
Therapeutic nucleosides

ZA923641B
(en)

*

1991-05-21
1993-02-24
Iaf Biochem Int
Processes for the diastereoselective synthesis of nucleosides

1992

1992-05-19
ZA
ZA923641A
patent/ZA923641B/en
unknown

1992-05-19
ZA
ZA923640A
patent/ZA923640B/en
unknown

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patent/RU2163909C2/en
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IP Right Cessation

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Ceased

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NO921989A
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Cited By (1)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
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AU668086B2
(en)

*

1991-05-21
1996-04-26
Shire Canada Inc.
Processes for the diastereoselective synthesis of nucleosides

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Publication
Publication Date
Title

AU1639592A
(en)

1992-11-26

Processes for the diastereoselective synthesis of nucleosides

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