Process for preparing (-)-(1S, 4R) N-protected 4-amino-2-cyclopentene-1-carboxylate esters
申请人:——
公开号:US20020052524A1
公开(公告)日:2002-05-02
The invention relates to a process for preparing (−)-(1S,4R) N protected 4-amino-2-cylcopentene-1-carboxylate esters represented by the formula (I)
1
wherein R
1
and R
2
are as described within the specification.