Synthesis and Reactions of 2-Alkylidene-1,3,4,-thiadiazolines and Their Selenium Analogues
作者:Nami Choi、Norihiro Tokitoh、Midori Goto、Wataru Ando
DOI:10.1016/s0040-4020(01)85810-5
日期:1993.2
(X=S) and acetylene derivative 17 on thermolysis via thiocarbonyl ylide, quantitatively. Pyrolysis of selenium analogue gave similar results. Allyl substituted 2-alkylidene-1,3,4-thiadiazolines 11a and 11b resulted in the novel formation of thiiranimine derivatives 19a and 19b and bicyclo[3.1.0]thiahexane derivatives 20a and 20bvia azathioallyl intermediates. Thiiranimine derivatives 19a and 19b were
经硫代羰基内酯热解后,2-亚烷基-1,3,4-噻二唑啉11a定量给出了硫代酮16(X = S)和乙炔衍生物17。硒类似物的热解得到相似的结果。烯丙基取代的2-亚烷基-1,3,4-噻二唑啉11a和11b通过硫唑烯丙基中间体新颖地形成了硫胺素胺衍生物19a和19b以及双环[3.1.0]硫代己烷衍生物20a和20b。硫胺素衍生物19a和19b被转化为2-亚烷基-1,3,4-噻二唑啉图11a和11b在酸性条件下。