Polar cycloaddition of monocyclic 1,2-thiazinylium salt and transformation of the cycloadducts to 1,2-azathiabenzenes
作者:Hiroshi Shimizu、Takashi Hatano、Takayuki Matsuda、Tatsunori Iwamura
DOI:10.1016/s0040-4039(98)02663-x
日期:1999.2
Deprotonation of the cycloadducts, which were newly obtained from polar cycloaddition of monocyclic 1,2-thiazinylium salt with I,3-butadienes, with a strong base provided I, 2-azathiabenzenes having sulfur at a bridgehead position. (C) 1999 Elsevier Science Ltd. All rights reserved.