作者:Tanezo Taguchi、Michiko Nakao
DOI:10.1016/s0040-4020(01)92658-4
日期:——
S-methyl xanthates, dl-trans-2-dimethylaminocyclohexyl S-methyl xanthalate was rearranged without elimination to the corresponding dithiolcarbonate while the cis isomer suffered over-all elimination. It has been suggested that the dimethylamino group attached to the carbon carrying the xanthate group induces the rearrangement. Other examples studied support this mechanism. 2-Benzamidoethyl S-methyl and
在β-二烷基氨基烷基S-甲基黄原酸酯的热解过程中,顺式异构体被全部消除,而dl-反式-2-二甲基氨基环己基S-甲基黄酸酯被重排而不被消除成相应的二硫代碳酸酯。已经提出,连接至带有黄原酸酯基团的碳的二甲基氨基基团引起重排。研究的其他示例也支持这种机制。2-苄酰胺基乙基S-甲基和dl-反式-2-苯甲酰胺基环己基S-甲基黄原酸酯已被转化为相应的恶唑啉衍生物。