Photodimerization of Ethyl 2-Ethoxy-1, 2-dihydroquinoline-1-carboxylate

Abstract

Irradiation of ethyl 2-ethoxy-1, 2-dihydroquinoline-1-carboxylate (1) in ether and ethanol resulted in the formation of a trans head-to-head dimer 2 and an ethanol adduct 5 in 66 and 45% yields, respectively.