Vanadium-Catalyzed Condensation of Ethyl Cyanoacetate with Ketones
作者:R. I. Khusnutdinov、N. А. Shchadneva、Yu. Yu. Mayakova
DOI:10.1134/s1070363218030052
日期:2018.3
Vanadium compounds and complexes activated by pyridine or morpholine catalyze condensation of ethyl cyanoacetate with ketones and aldehydes leading to alkylidenecyanoacetates in 75–100% yield.
Abstract The reaction of fullerene C60 with cyanoacrylates and ethylmagnesiumbromide in the presence of stoichiometric amounts of titanium(IV) isopropoxide was studied for the first time. Under the developed conditions, cyanoacrylates, unlike carboxylic acid esters and nitriles, were found to react with C60 to form aminofullerocyclopropanes, which are otherwise difficult to access. The reaction of fullerene