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Short Paper | Regular issue | Vol 92, No. 12, 2016, pp.2252-2260
Published online, 11th November, 2016
DOI: 10.3987/COM-16-13574
One-Pot Regioselective Synthesis of Diazaspiro[5.5]undecane-1,5-dione-9-thione Derivatives Catalyzed by Reusable 1-Methylimidazolium Trifluoromethylsulfonate under Solvent-Free Conditions

Zhaohui Xu,* Houfu Zhang, Yunkui Xiong, Deyong Liu, and Qingshui Huang*

*College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330027, China


A green and environmentally benign Biginelli-like synthesis of 2,4-dioxa-8,10-diazaspiro[5.5]undecane-1,5-dione-9-thione derivatives by one-pot three-component reaction of aromatic aldehydes with thiourea and 1,3-dioxane-4,6-dione catalyzed by reusable 1-methylimidazolium trifluoromethylsulfonate under solvent-free conditions is described.