2-Arylalkyl Ketones and 3-Arylalkanals from Arenediazonium Salts and α,β-Unsaturated Carbonyl Compounds

Abstract

4-RC6H4CHR1CHR2COR3 [R = H, Cl, MeO; R1 = Me, H; R2 = H, Me; R3 = H, Me; R2R3 = (CH2)4] were prepd. in 68-91% yield by treating R1CH:CR2COR3 with 4-RC6H4N2+.Cl- in the presence of TiCl