The 1,3-dipolar cycloadditions of 2,2-difluoromethylenecyclopropane with diazoalkanes and the deazetation of the pyrazoline adducts
作者:William R. Dolbier、Mark J. Seabury
DOI:10.1016/s0040-4020(01)81648-3
日期:——
2,2-Difluoromethylenecyclopropane was found to be a reactive dipolarophile in its reactions with three diazoalkanes. The thermal deazetations of the resultant pyrazoline adducts, while feasible, were not able to be carried out efficiently.