申请人:VELLENKI Siva Rama Prasad
公开号:US20120238753A1
公开(公告)日:2012-09-20
An improved process for the preparation of adefovir dipivoxil and its pharmaceutically acceptable salts or solvates comprises the condensation of adefovir with chloro methyl pivalate in a mixture of two or more solvents in the presence of a base and isolating the resulting adefovir dipivoxil.
一种改进的阿德福韦二丙氧乙酯及其药用可接受的盐或溶剂的制备过程包括在两种或更多溶剂的混合物中,通过将阿德福韦与氯甲基戊二酸酯缩合,在碱的存在下,然后分离得到所得的阿德福韦二丙氧乙酯。