Where R is C1-C3 alkyl, alkenyl A novel process for synthesis of compound of Formula 1 comprising steroselective catalytic reduction of compound of Formula IV under hydrogen gas pressure to obtain an intermediate compound of Formula II, which on coupling in presence of coupling agent and base in presence of organic solvent to obtain compound of Formula X, Formula X on reacting with deprotecting agent in presence of organic solvent results in formation of compound of Formula XI, condensation of Formula XI with alkyl halide results in formation of compound of Formula I.
其中R为C1-C3烷基,烯基,一种合成化合物Formula 1的新方法包括在
氢气压力下进行立体选择性催化还原Formula IV化合物以获得Formula II中间体化合物,Formula II在有机溶剂存在下与
偶联剂和碱的存在下偶联生成Formula X化合物,Formula X在有机溶剂存在下与去保护剂反应形成Formula XI化合物,Formula XI与烷基卤化物发生缩合反应形成Formula I化合物。