申请人:——
公开号:US20030055297A1
公开(公告)日:2003-03-20
A process for the preparation of neuraminidase inhibitors having structural formula (28)
1
or therapeutically acceptable salts thereof, in which R
1
is alkyl, cycloalkyl, cycloalkylalkyl, or arylalkyl; R
2
is alkyl, cycloalkyl, cycloalkylalkyl, or arylalkyl; R
4
is alkyl, cycloalkyalkyl, or aryl-(C
2
-C
4
-alkyl); R
10
is methyl, ethyl, iso-propyl, or vinyl; and
R
12
is hydrogen or alkyl and intermediates useful for the process are disclosed.
一种用于制备具有结构式(28)1或其治疗上可接受的盐的神经氨酸酶抑制剂的方法,其中R1是烷基,环烷基,环烷基烷基或芳基烷基;R2是烷基,环烷基,环烷基烷基或芳基烷基;R4是烷基,环烷烷基或芳基(C2-C4-烷基);R10是甲基,乙基,异丙基或乙烯基;和R12是氢或烷基,公开了用于该方法的中间体。