Ma. Delasheras et al., CHEMOSELECTIVE ADDITION OF GRIGNARD-REAGENTS TO ALKOXYCARBONYLALKYL-N-IMIDAZOLIUM-N-METHYL AMIDES - SYNTHESIS OF 4-OXO AND HOMOLOGOUS ESTERS, Tetrahedron letters, 38(10), 1997, pp. 1817-1820
A method for the synthesis of Core and homologous esters is achieved b
y metalation of alkoxycarbonylalkyl-N-imidazolium-N-methyl amides with
lequiv of LDA followed by highly chemoselective addition of 1 equiv o
f a Grignard reagent. (C) 1997 Elsevier Science Ltd.