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1. An Unexpected Domino Reaction of β-Keto Sulfones with Acetylene Ketones Promoted by Base: Facile Synthesis of 3(2 H)-Furanones and Sulfonylbenzenes.

Author

Tong, Wei, Li, Qian ‐ Yu, Xu, Yan ‐ Li, Wang, Heng ‐ Shan, Chen, Yan ‐ Yan, and Pan, Ying ‐ Ming

Subjects
SULFONES, KETONES, FURANONE synthesis, BENZENE, CHEMICAL reactions
Abstract

An unexpected domino reaction of β-keto sulfones with acetylene ketones has been developed. The domino reaction of β-keto sulfones with diynones proceeded smoothly in the presence of 30 mol% K2CO3 without other additives, and afforded the novel 3(2 H)-furanone derivatives. On replacing the diynones with terminal alkyne ketones, the reaction regioselectivity was changed and sulfonylbenzenes were obtained via benzannulation in good yields. [ABSTRACT FROM AUTHOR]

Published
2017
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