Mathew, Paulson; Prasidha, M; Asokan, CV
(Wiley online library, 2010-03-04)
α-Aroyl ketene-N,S-acetals 3 prepared by the reaction of β-oxothioamides 1 with phenacyl bromides 2, underwent sequential cyclizations under microwave irradiation to afford pyrrolo[2,1-b]thiazol-6-ones 6 in good yields. A ...