METHOD FOR ASYMMETRIC ALKYNYLATION OF ALPHA-IMINO ESTERS
申请人:The Hong Kong Polytechnic University
公开号:EP1885685A2
公开(公告)日:2008-02-13
Method For Asymmetric Alkynylation Of Al Pha-Imino Esters
申请人:Chan Albert Sun-Chi
公开号:US20080183010A1
公开(公告)日:2008-07-31
Method for the preparation of asymmetric alkynylated α-amino esters of the formula
wherein R
1
and R
2
are independently optionally substituted alkyl cycloalkyl, aryl or heteroaryl, and Y is hydrogen or a nitrogen protecting group.
US7612239B2
申请人:——
公开号:US7612239B2
公开(公告)日:2009-11-03
[EN] METHOD FOR ASYMMETRIC ALKYNYLATION OF ALPHA-IMINO ESTERS<br/>[FR] PROCEDE D'ALKYLYNATION ASYMETRIQUE D'ESTERS ALPHA-IMINO
申请人:UNIV HONG KONG POLYTECHNIC
公开号:WO2006125030A2
公开(公告)日:2006-11-23
[EN] Method for the preparation of asymmetric alkynylated -amino esters of the formula (III) wherein R1 and R2 are independently optionally substituted alkyl, cycloalkyl, aryl or heteroaryl, and Y is hydrogen or a nitrogen protecting group. [FR] La présente invention a trait à un procédé pour la préparation d'amino-esters alkynylés de formule (III), dans laquelle R1 et R2 sont indépendamment alkyle, cycloalkyle, aryle ou hétéroaryle éventuellement substitué, et Y est hydrogène ou un groupe protecteur azote.