C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 295/18 (2006.01) C07B 37/04 (2006.01) C07C 45/51 (2006.01) C07C 309/73 (2006.01) C07D 295/08 (2006.01) C07D 295/084 (2006.01) C07D 295/088 (2006.01) C07D 295/185 (2006.01) C07D 295/192 (2006.01) C07D 295/205 (2006.01)
Patent
CA 2480481
The present invention describes the synthesis of the following compounds in high stereochemical purity by a novel stereoselective alkylation of 2-methyl-4- protected piperazines using an inorganic base. (I)
Dans une forme de réalisation représentative, la présente invention concerne la synthèse du composé suivant et des composés similaires, avec une haute pureté stéréochimique, au moyen d'un nouveau processus d'alkylation stéréosélectif: (I). Processus d'alkylation stéréosélectif (I)
Andrews David R.
Fu Xiaoyong
Gala Dinesh
Lee Gary M.
Liao Hongbiao
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Schering Corporation
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