Unsaturated nitrogen compounds containing fluorine. Part II. The reactions of hexafluoroacetone azine with cis- or trans-but-2-ene and cyclohexene
作者:T. P. Forshaw、A. E. Tipping
DOI:10.1039/p19720001059
日期:——
Hexafluoroacetone azine reacts with but-2-ene or cyclohexene under thermal conditions to give products formally derived from the intermediacy of bis(trifluoromethyl)carbene. Thus cis- or trans-but-2-ene afford a mixture of cis- and trans-2,3-dimethyl-1,1-bis(trifluoromethyl)cyclopropane in the ratio ca. 1 : 4 and cyclohexene gives 7,7-bis(trifluoromethyl)norcarane and the allylic insertion compound
六氟丙酮嗪在热条件下与丁-2-烯或环己烯反应,生成正式衍生自双(三氟甲基)卡宾中间体的产物。因此,顺式或反式-2-丁烯以约1∶1的比例提供顺式和反式-2,3-二甲基-1,1-双(三氟甲基)环丙烷的混合物。环己烯以1∶4的比例得到约7,7-双(三氟甲基)正戊烷和烯丙基插入化合物3-(2,2,2-三氟-1-三氟甲基乙基)-环己烯。2:5。反式-环丙烷的热解得到1,1,1-三氟-2-甲基-2-三氟-甲基戊-2-烯和1,1-双(三氟甲基)丙基-1,2-二烯。产品。