GB1310400A – Phenylalanine derivatives and their preparation
– Google Patents
GB1310400A – Phenylalanine derivatives and their preparation
– Google Patents
Phenylalanine derivatives and their preparation
Info
Publication number
GB1310400A
GB1310400A
GB5125070A
GB5125070A
GB1310400A
GB 1310400 A
GB1310400 A
GB 1310400A
GB 5125070 A
GB5125070 A
GB 5125070A
GB 5125070 A
GB5125070 A
GB 5125070A
GB 1310400 A
GB1310400 A
GB 1310400A
Authority
GB
United Kingdom
Prior art keywords
phenylalanine derivatives
preparation
oct
salt
isomer
Prior art date
1969-10-28
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.)
Expired
Application number
GB5125070A
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.)
Egyt Gyogyszervegyeszeti Gyar
Original Assignee
Egyt Gyogyszervegyeszeti Gyar
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.)
1969-10-28
Filing date
1970-10-28
Publication date
1973-03-21
1970-10-28
Application filed by Egyt Gyogyszervegyeszeti Gyar
filed
Critical
Egyt Gyogyszervegyeszeti Gyar
1973-03-21
Publication of GB1310400A
publication
Critical
patent/GB1310400A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
C07C229/02—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
C07C229/34—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton containing six-membered aromatic rings
C07C229/36—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton containing six-membered aromatic rings with at least one amino group and one carboxyl group bound to the same carbon atom of the carbon skeleton
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
C07C229/02—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
C07C229/04—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
C07C229/06—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton
C07C229/08—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton the nitrogen atom of the amino group being further bound to hydrogen atoms
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C233/00—Carboxylic acid amides
C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
C07C233/45—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups
C07C233/46—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom
C07C233/47—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom having the carbon atom of the carboxamide group bound to a hydrogen atom or to a carbon atom of an acyclic saturated carbon skeleton
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
C07B2200/00—Indexing scheme relating to specific properties of organic compounds
C07B2200/07—Optical isomers
Abstract
1310400 Phenylalanine derivatives E GY T GYOGYSZERVEGYESZETI GYAR 28 Oct 1970 [28 Oct 1969] 51250/70 Heading C2C Optically active 3,4-dihydroxyphenylalanine is prepared by reacting a racemic compound of the Formula (II): (R = methyl, acetyl) with D- or L-threo-2-amino- 1 – (p – nitrophenyl) – 1,3 – propanediol, separating the salts formed, liberating the desired isomer from its salt and deacetylating and demethylating it. The isomer (II) which is not required may be liberated from its salt and converted to the racemate.
GB5125070A
1969-10-28
1970-10-28
Phenylalanine derivatives and their preparation
Expired
GB1310400A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
HUEE001730
1969-10-28
Publications (1)
Publication Number
Publication Date
GB1310400A
true
GB1310400A
(en)
1973-03-21
Family
ID=10995310
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB5125070A
Expired
GB1310400A
(en)
1969-10-28
1970-10-28
Phenylalanine derivatives and their preparation
Country Status (5)
Country
Link
AT
(1)
AT313258B
(en)
DE
(1)
DE2052995A1
(en)
FR
(1)
FR2066581A5
(en)
GB
(1)
GB1310400A
(en)
NL
(1)
NL7015214A
(en)
Families Citing this family (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4716246A
(en)
*
1986-08-22
1987-12-29
Merck & Co., Inc.
Process for L-dopa
1970
1970-10-14
AT
AT929170A
patent/AT313258B/en
not_active
IP Right Cessation
1970-10-16
NL
NL7015214A
patent/NL7015214A/xx
not_active
Application Discontinuation
1970-10-27
FR
FR7038680A
patent/FR2066581A5/fr
not_active
Expired
1970-10-28
DE
DE19702052995
patent/DE2052995A1/en
active
Pending
1970-10-28
GB
GB5125070A
patent/GB1310400A/en
not_active
Expired
Also Published As
Publication number
Publication date
AT313258B
(en)
1974-02-11
NL7015214A
(en)
1971-05-03
DE2052995A1
(en)
1971-05-06
FR2066581A5
(en)
1971-08-06
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Legal Events
Date
Code
Title
Description
1973-08-01
PS
Patent sealed [section 19, patents act 1949]
1984-07-11
PCNP
Patent ceased through non-payment of renewal fee
