Classical examples of the Michael reaction are the reaction between diethyl malonate ( Michael donor ) and diethyl fumarate ( Michael acceptor ), that of mesityl oxide and diethyl malonate, that of diethyl malonate and methyl crotonate, that of 2-nitropropane and methyl acrylate, that of " ethyl phenylcyanoacetate " and acrylonitrile and that of nitropropane and methyl vinyl ketone.