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Amendment in Titanium(IV) Chloride and Chalcogenide-Promoted Baylis–Hillman Reaction of Aldehydes with α,β-Unsaturated Ketones

✍ Scribed by Min Shi; Jian-Kang Jiang

Publisher: Elsevier Science
Year: 2000
Tongue: French
Weight: 112 KB
Volume: 56
Category: Article
ISSN: 0040-4020
DOI: 10.1016/s0040-4020(00)00384-7

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✦ Synopsis

AbstractÐThe Baylis±Hillman reaction can be drastically affected by the reaction temperature and Lewis base. When the reaction was carried out at ,2208C using methyl sul®de as a Lewis base in the presence of titanium(IV) chloride, the chlorinated compound 1 was obtained as the major product. However, if the reaction was carried out at room temperature (108C) in the presence of titanium(IV) chloride, the elimination compound 3 was formed as a major product.

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