FORMATION OF 1,4-THIAZINE 1,1-DIOXIDES BY THE CYCLOADDITION–EXTRUSION–RING EXPANSION REACTIONS OF MESOIONIC OXAZOLONES WITH DIPHENYLTHIIRENE DIOXIDE
作者:Hiroshi Matsukubo、Masanobu Kojima、Hiroshi Kato
DOI:10.1246/cl.1975.1153
日期:1975.11.5
The reactions of diphenylthiirene dioxide 5 with a mesoionic oxazol-5-one 4a and an oxazolin-5-one 9 gave the corresponding 4H-1,4-thiazine 1,1-dioxides 7.
二苯基噻吩二氧化物 5 与介离子 oxazol-5-one 4a 和 oxazolin-5-one 9 的反应得到相应的 4H-1,4-thiazine 1,1-dioxides 7。