申请人:——
公开号:US20010029300A1
公开(公告)日:2001-10-11
A process for the synthesis of a compound of the formula
1
wherein R
1
is aryl, heteroaryl, substituted aryl or substituted heteroaryl and R
2
is hydrogen, alkyl or aralkyl, or salt thereof.
一种合成式1化合物的方法,其中R1为芳基、杂环芳基、取代芳基或取代杂环芳基,R2为氢、烷基或芳基烷基,或其盐。