C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 225/00 (2006.01) A61K 8/73 (2006.01) A61K 8/81 (2006.01) C07C 253/30 (2006.01) C07C 255/37 (2006.01) C07C 255/46 (2006.01)
Patent
CA 2381011
This invention relates to a method for preparing 4-substituted-4- cyanocyclohexane carboxylates by forming the cyclohexane ring by treating a .alpha.,.alpha.-bis(2-haloethyl)-4-benzeneacetonitrile with a dialkyl malonate and decarboxylating the resulting diester.
L'invention concerne un procédé permettant de préparer des 4-cyanocyclohexane carboxylates 4-substitués, par formation d'un noyau de cyclohexane à l'aide d'un traitement d'un .alpha.,.alpha.-bis(2-haloethyl)-4-benzèneacétonitrile avec un malonate de dialkyle et par décarbonxylation du diester obtenu.
Diederich Ann M.
Eldridge Ann Marie
Mills Robert J.
Novak Vance J.
Gowling Lafleur Henderson Llp
Smithkline Beecham Corporation
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