作者:Shakir Al-Zaidi、Richard J. Stoodley
DOI:10.1039/c39820000995
日期:——
ethoxycarbonylmethylenetriphenyl-phosphorane to give (3R)-3-benzyloxycarbonylamino-2-ethoxycarbonylmethylene-4,4,-dimethylthietan, as a mixture of (E)-and (Z)-diastereoisomers; corresponding Witting condensations occur with cyanomethylene-and acetonylidene-triphenylphosphorane.
(3 R)-3-苄氧基氧羰基氨基-4,4-二甲基噻吨-2-酮与乙氧基羰基亚甲基三苯基-膦反应生成(3 R)-3-苄氧基羰基氨基-2-乙氧基羰基亚甲基-4,4,-二甲基噻吨,为(E)-和(Z)-非对映异构体;氰基亚甲基和亚乙炔基三苯基磷烷发生相应的润湿缩合。