Effective and Catalyst-Free Preparation of Thiazolidines via Novel [3 + 2] Annulation of 1,4-Dithiane-2,5-diol and Benzothiazolimines. - Liu, Min; Zhao, Lin-quan; Song, Xiang-jia; Lu, Jin-rong; Cui, Wen-quan (Synlett, 2025)