Compounds of the formula:
wherein:
A is oxo or dioxo;
R¹, R² and R³ are independently hydrogen or lower alkyl of one to six carbon atoms;
R⁴, R⁵, R⁶ and R⁷ are independently hydrogen, lower alkyl of one to six carbon atoms, alkoxy, acyl or halo;
are advantageously converted to thieno[3,2-c]pyridine derivatives and the pharmaceutically acceptable salts thereof, particularly ticlopidine hydrochloride.
式中的化合物:
其中
A 是氧代或二氧代;
R¹、R² 和 R³ 独立地为氢或一至六个碳原子的低级烷基;
R⁴、R⁵、R⁶ 和 R⁷ 独立地为氢、一至六个碳原子的低级烷基、烷氧基、酰基或卤素;
可转化为
噻吩并[3,2-c]
吡啶衍生物及其药学上可接受的盐类,特别是
盐酸噻氯匹定。