摘要:
The present invention discloses a new process for the synthesis of tamsulosin derivatives of formula 1 (where R 1 and R 2 represent C 1 -C 4 alkyl groups) and their hydrochlorides and other pharmaceutically acceptable salts, comprising reacting the hydrochloride of sulphonamide 2 (where R represents C 1 -C 4 alkyl) with the ether compound 21 (where R' represents C 1 -C 4 alkyl and R" represents MeC 6 H 4 SO 2 or MeSO 2 ).
摘要翻译:本发明公开了一种合成式1的坦索罗辛衍生物(其中R 1和R 2表示C 1 -C 4烷基)及其盐酸盐和其它药学上可接受的盐的新方法,包括使磺酰胺2的盐酸盐(其中 R表示C 1 -C 4烷基)与醚化合物21(其中R'表示C 1 -C 4烷基,R“表示MeC 6 H 4 SO 2或MeSO 2)。