Reactions of 1,1-diaryl-2-isopropylidene-3-methylenecyclopropanes with C,N-diarylnitrones and nitrile oxides
作者:Alexander V. Stepakov、Anna G. Larina、Vitaly M. Boitsov、Alexander P. Molchanov、Vladislav V. Gurzhiy、Galina L. Starova
DOI:10.1016/j.tetlet.2012.03.093
日期:2012.7
The reactions of unactivated bis(methylene)cyclopropanes with nitrones and nitrile oxides have been investigated. The 1,1-diaryl-2-isopropylidene-3-methylenecyclopropanes react with the C,N-diarylnitrones to give a mixture of 2,2-dimethyl-1,6-diaryl-3-(diarylmethylene)piperidin-4-ones and 5-methyl-1-aryl-1-(arylamino)-4-(diarylmethylene)hex-5-en-3-ones. 2,3-Dihydro-3-methylenepyridin-4(1H)-ones are
已经研究了未活化的双(亚甲基)环丙烷与硝酮和腈的反应。1,1-二芳基-2-异亚丙基-3-亚甲基环丙烷与C,N-二芳基硝基反应生成2,2-二甲基-1,6-二芳基-3-(二芳基亚甲基)哌啶-4-酮和5-甲基-1-芳基-1-(芳基氨基)-4-(二芳基亚甲基)己基-5-en-3-个。通过1,1-二芳基-2-异亚丙基-3-亚甲基环丙烷与腈的反应,得到2,3-二氢-3-亚甲基吡啶-4(1 H)-1 。