Reaction of gem-dibromocyclopropanes with zinc in dimethylformamide
作者:Goverdhan Mehta、Surinder K. Kapoor
DOI:10.1016/s0022-328x(00)90552-7
日期:1974.10
Dehalogenation of five assorted gem-dibromocyclopropanes with zinc in dimethylformamide is described. Monobromocyclopropanes, allenes are fully saturated cyclopropanes are obtained. The method is of preparative value only in certain cases.
Preparation of cyclo-octyn-3-ol, cyclononyn-3-ol, and derivatives
作者:C. B. Reese、A. Shaw
DOI:10.1039/c29700001172
日期:——
Cyclo-octyne and cyclononyne derivatives have been prepared by the action of KOBut–Me2SO on the corresponding 1-bromo-trans-cyclo-octenes and -cyclononenes: the elimination reaction was very fast at 20°, and high yields of products were generally obtained.
通过KOBu t –Me 2 SO对相应的1-溴-反式-环辛烯和-环壬烯的作用制备了环辛炔和环壬炔衍生物:在20°时消除反应非常快,并且产物收率高通常获得。
Silver ion catalysis in the cyclopropyl–allyl rearrangement
作者:D. Duffin、J. K. Sutherland
DOI:10.1039/c2970000626b
日期:——
The solvolysis or isomerisation of 9,9-dibromobicyclo[6,1,0]non-4-ene and the derived epoxides to cis, trans-cyclononadiene derivatives is described.