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1. WO2000043364 - SYNTHESIS OF 3-AMINO-2-CHLORO-4-METHYLPYRIDINE FROM ACETONE AND ETHYL CYANOACETATE

Publication Number WO/2000/043364
Publication Date 27.07.2000
International Application No. PCT/US2000/000261
International Filing Date 06.01.2000
IPC
C07D 213/73 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
213Heterocyclic 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
02having three double bonds between ring members or between ring members and non-ring members
04having 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
60with 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
72Nitrogen atoms
73Unsubstituted amino or imino radicals
CPC
C07D 213/73
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
213Heterocyclic 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
02having three double bonds between ring members or between ring members and non-ring members
04having 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
60with heteroatoms or with carbon atoms having three bonds to hetero atoms, with at the most one to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
72Nitrogen atoms
73Unsubstituted amino or imino radicals
Applicants
  • BOEHRINGER INGELHEIM PHARMACEUTICALS, INC. [US/US]; 900 Ridgebury Road Ridgefield, CT 06877, US
Inventors
  • GROZINGER, Karl; US
Agents
  • RAYMOND, Robert ; Boehringer Ingelheim Pharmaceuticals, Inc. P.O. Box 368 900 Ridgebury Road Ridgefield, CT 06877, US
Priority Data
60/116,70322.01.1999US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYNTHESIS OF 3-AMINO-2-CHLORO-4-METHYLPYRIDINE FROM ACETONE AND ETHYL CYANOACETATE
(FR) SYNTHESE DE 3-AMINO-2-CHLORO-4-METHYLPYRIDINE A PARTIR DE L'ACETONE ET DU CYANOACETATE D'ETHYLE
Abstract
(EN)
A method for making 3-amino-2-chloro-4-methylpyridine from acetone and ethyl cyanoacetate, as depicted in reaction scheme (1-9).
(FR)
L'invention concerne la fabrication de 3-amino-chloro-méthylpyridine à partir de l'acétone et du cyanoacétate d'éthyle, comme le montre le schéma de réaction (1-9).
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