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A Synthesis of 2-ACYL- 3-Hydroxythiophenes

✍ Scribed by Adamczewska, Yolante Z.; Barker, John M.; Huddleston, Patrick R.; Wood, Michael L.

Book ID: 120303173
Publisher: Taylor and Francis Group
Year: 1996
Tongue: English
Weight: 442 KB
Volume: 26
Category: Article
ISSN: 0039-7911
DOI: 10.1080/00397919608003715

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## Abstract On irradiation (λ = 366 nm), the 4‐thia‐2‐cyclopentenone **3a** behaves in complete analogy to the oxa‐enone **3c** undergoing regio‐ and stereospecific cyclodimerization, regiospecific cycloaddition with 2‐methylpropene and cycloaddition with 2,3‐dimethyl‐2‐butene to afford cyclobutane