Dibutyl telluride assists cyclopropanation of α,β-unsaturated ketone, ester, and nitrile with dibromomalonic esters without solvent at room temperature. In addition, it effects alkylidenation of aldehydes including α,β-unsaturated aldehyde with the same reagent.
ARAKI, SHUKI;BUTSUGAN, YASUO, J. CHEM. SOC. CHEM. COMMUN.,(1989) N7, C. 1286-1287
作者:ARAKI, SHUKI、BUTSUGAN, YASUO
DOI:——
日期:——
Cyclopropanation of electron-deficient alkenes and wideqvist-type synthesis of cyclopropanes mediated by indium metal
作者:Shuki Araki、Yasuo Butsugan
DOI:10.1039/c39890001286
日期:——
Cyclopropanation of electron-deficientalkenes and Wideqvist-type transformation of carbonyl compounds to cyclopropanes have been achieved by the action of active methylene dibromides and metallic indium.