Research on Chemical Intermediates p. 5323 - 5330 (2015)
Update date:2022-08-11
Topics:
Cao, Jinsong
Yu, Meng
Li, Hanzhu
Wang, Liang
Zhu, Xu
Wang, Guangying
Shi, Yanhui
Cao, Changsheng
The synthesis of cyclic di- and trithiocarbonates from the reaction of epoxides and carbon disulfide catalyzed by N-heterocyclic carbene prepared in situ is described. 1,3-Oxathiolane-2-thiones or 1,3-dithiolane-2-thiones was obtained in high yield with good selectivity when the reactions were carried out with 4 in DMSO at 100°C in the presence of K2CO3. The possible catalytic mechanism was proposed.
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