Single-step synthesis of cyclopentenones from (3-alkoxycarbonyl-2-oxo-propylidene)triphenylphosphorane and 1,2-diacylethylenes
作者:Minoru Hatanaka、Akiharu Ishida、Yasuhiro Tanaka、Ikuo Ueda
DOI:10.1016/0040-4039(95)02186-8
日期:1996.1
(3-Alkoxycarbonyl-2-oxo-propylidene)triphenylphosphorane reacts with 1,2-diacylethylenes to give cyclopentenones in a single operation. Use of a chiral acylmethylenemalonate led to formation of optically active cyclopentenone in a highly diastereoselective fashion.
(3-烷氧基羰基-2-氧代亚丙基)
三苯基膦烷与1,2-二
丙烯基
乙烯反应生成
环戊烯酮。手性酰基亚
甲基丙二酸酯的使用导致以高度非对映选择性的方式形成旋光的
环戊烯酮。