[EN] PROCESS FOR THE PREPARATION OF SUBSTITUTED PYRROLIDINE NEURAMINIDASE INHIBITORS<br/>[FR] PROCEDE DE PREPARATION D'INHIBITEURS DE PYRROLIDINE NEURAMINIDASE SUBSTITUE
申请人:ABBOTT LAB
公开号:WO2002081441A1
公开(公告)日:2002-10-17
A process for the preparation of neuraminidase inhibitors having structural formula (28) or therapeutically acceptable salts thereof, in which R1 is alkyl, cycloalkyl, cycloalkylalkyl, or arylalkyl; R2 is alkyl, cycloalkyl, cycloalkylalkyl, or arylalkyl; R4 is alkyl, cycloalkyalkyl, or aryl-(C2-C4-alkyl); R10 is methyl, ethyl, iso-propyl, or vinyl; and R12 is hydrogen or alkyl and intermediates useful for the process are disclosed.