GB1395433A – Preparation of malonic acid derivatives
– Google Patents
GB1395433A – Preparation of malonic acid derivatives
– Google Patents
Preparation of malonic acid derivatives
Info
Publication number
GB1395433A
GB1395433A
GB2586473A
GB2586473A
GB1395433A
GB 1395433 A
GB1395433 A
GB 1395433A
GB 2586473 A
GB2586473 A
GB 2586473A
GB 2586473 A
GB2586473 A
GB 2586473A
GB 1395433 A
GB1395433 A
GB 1395433A
Authority
GB
United Kingdom
Prior art keywords
ester
malonic acid
acid
orthoformic
reaction
Prior art date
1972-06-07
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
GB2586473A
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
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.)
1972-06-07
Filing date
1973-05-30
Publication date
1975-05-29
1972-06-07
Priority claimed from DE19722227651
external-priority
patent/DE2227651C3/en
1973-05-30
Application filed by Dynamit Nobel AG
filed
Critical
Dynamit Nobel AG
1975-05-29
Publication of GB1395433A
publication
Critical
patent/GB1395433A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07D—HETEROCYCLIC COMPOUNDS
C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
C07D213/72—Nitrogen atoms
C07D213/74—Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals
Abstract
1395433 Pyridylaminomethylene malonic acid derivatives DYNAMIT NOBEL AG 30 May 1973 [7 June 1972] 25864/73 Heading C2C Pyridylaminomethylene malonic acid derivatives are obtained by reacting in a single stage and in the absence of acetic anhydride and zinc chloride at 60‹ to 160‹ C. an optionally alkylsubstituted aminopyridine with a malonic acid derivative (e.g. a diester or a cyanoacetic acid ester) and a stoichiometric excess of an orthoformic acid ester. The process is exemplified by the reaction wherein R, R
GB2586473A
1972-06-07
1973-05-30
Preparation of malonic acid derivatives
Expired
GB1395433A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
DE19722227651
DE2227651C3
(en)
1972-06-07
Process for the preparation of pyridyl-2-aminomethylene malonic acid derivatives
Publications (1)
Publication Number
Publication Date
GB1395433A
true
GB1395433A
(en)
1975-05-29
Family
ID=5847047
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB2586473A
Expired
GB1395433A
(en)
1972-06-07
1973-05-30
Preparation of malonic acid derivatives
Country Status (8)
Country
Link
JP
(1)
JPS6213348B2
(en)
BE
(1)
BE799919A
(en)
CA
(1)
CA1010877A
(en)
CH
(1)
CH577970A5
(en)
ES
(1)
ES415603A1
(en)
FR
(1)
FR2187783B1
(en)
GB
(1)
GB1395433A
(en)
IT
(1)
IT1045530B
(en)
Families Citing this family (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPS5218704B2
(en)
*
1972-12-29
1977-05-24
JPH06109243A
(en)
*
1992-09-24
1994-04-19
Samuson:Kk
Boiler combustion control method
1973
1973-05-23
BE
BE131423A
patent/BE799919A/en
not_active
IP Right Cessation
1973-05-30
GB
GB2586473A
patent/GB1395433A/en
not_active
Expired
1973-06-01
CH
CH794973A
patent/CH577970A5/xx
not_active
IP Right Cessation
1973-06-04
IT
IT5042273A
patent/IT1045530B/en
active
1973-06-06
ES
ES415603A
patent/ES415603A1/en
not_active
Expired
1973-06-06
CA
CA173,306A
patent/CA1010877A/en
not_active
Expired
1973-06-06
FR
FR7320643A
patent/FR2187783B1/fr
not_active
Expired
1973-06-07
JP
JP48064350A
patent/JPS6213348B2/ja
not_active
Expired
Also Published As
Publication number
Publication date
CH577970A5
(en)
1976-07-30
BE799919A
(en)
1973-09-17
DE2227651A1
(en)
1973-12-20
FR2187783B1
(en)
1977-02-11
IT1045530B
(en)
1980-05-10
JPS4954381A
(en)
1974-05-27
JPS6213348B2
(en)
1987-03-25
FR2187783A1
(en)
1974-01-18
CA1010877A
(en)
1977-05-24
ES415603A1
(en)
1976-01-16
DE2227651B2
(en)
1977-03-10
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Legal Events
Date
Code
Title
Description
1975-10-08
PS
Patent sealed
1986-02-12
PCNP
Patent ceased through non-payment of renewal fee
