申请人:Medrano Rupérez Jorge
公开号:US20100004446A1
公开(公告)日:2010-01-07
Process for removal of the amino protective group of a N-acylated [(1S,4R)-4-[2-amino-6-(cyclopropylamino)-9H-purin-9-yl]-cyclopent-2-enyl]methanol of formula (II) where R═H or a (C
1
-C
4
)-alkyl, using an inorganic base in a mixture of water and alcohol, to yield abacavir or its salts. The process proceeds very fast and the product can be obtained in high yield and purity.
去除N-酰化的[(1S,4R)-4-[2-氨基-6-(环丙基氨基)-9H-嘌呤-9-基]-环戊-2-烯基]甲醇的氨基保护基团的过程,其中R = H或(C1-C4)-烷基,使用无机碱在水和醇的混合物中,得到阿巴卡韦或其盐。该过程进行得非常快速,产物可高产率和高纯度获得。