Isolation and Characterization of an Allenylthioketene and 4-Methylenecyclobutenethiones Generated by Thermal Reaction of Alkynyl Propargyl Sulfides

Alkynyl propargyl sulfides underwent [3,3] sigmatropic rearrangement followed by ring closure to afford isolable 4-methylenecyclobutenethiones, and an intermediary allenylthioketene 2 was isolated by heating t-butyldimethylsilylethynyl propargyl sulfide.

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Bibliographic Details
Published in:Chemistry letters 2006-09, Vol.35 (9), p.992-993
Main Authors: Aoyagi, Shigenobu, Sugimura, Katsuaki, Kanno, Nobuya, Watanabe, Dai, Shimada, Kazuaki, Takikawa, Yuji
Format: Article
Language:English
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Summary:Alkynyl propargyl sulfides underwent [3,3] sigmatropic rearrangement followed by ring closure to afford isolable 4-methylenecyclobutenethiones, and an intermediary allenylthioketene 2 was isolated by heating t-butyldimethylsilylethynyl propargyl sulfide.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.2006.992