A new 1,2-rearrangement of carbon from sulphur to carbon in 2,2-diaryl-1,3-dithianes
作者:Hideyuki Ikehira、Shigeo Tanimoto
DOI:10.1039/c39830001354
日期:——
2,2-Diaryl-1,3-dithianes undergo with lithium di-isopropylamide in tetrahydrofuran a Wittig-type rearrangement to form the anions of the 2,2-diaryltetrahydrothiophene-3-thiols which are further converted into bis(2,2-diaryltetrahydrothiophen-3-yl) disulphides by treatment with aqueous ammonium chloride and after subsequent autoxidation.
2,2-二芳基-1,3-二硫杂环丁烷与二异丙基氨基锂在四氢呋喃中进行Wittig型重排,形成2,2-二芳基四氢噻吩-3-硫醇的阴离子,该阴离子进一步转化为双(2,2-通过用氯化铵水溶液处理并在随后的自氧化反应后生成二芳基四氢噻吩-3-基)二硫化物。