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One-pot, high yield synthesis of α-ketols from Δ5-steroids

✍ Scribed by Jorge A.R. Salvador; Vânia M. Moreira; James R. Hanson; Rui A. Carvalho


Book ID
116891903
Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
209 KB
Volume
71
Category
Article
ISSN
0039-128X

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One-pot synthesis of γ-butyrolactones an
✍ Makoto Wada; Takahide Shigehisa; Hiroaki Kitani; Kin-ya Akiba 📂 Article 📅 1983 🏛 Elsevier Science 🌐 French ⚖ 208 KB

Lewis acid ( SnC14 ) catalyzed reaction of ethyl a-chloro-a-(p-chlorophenylthio)acetate ( l& ) with several olefins afforded the corresponding ybutyrolactones ('3) in good yields ( 51 -9wo ). Under almost the same conditions, o-(t;butylthio)-o-chloroacetone ( 2 ) reacted with olefins to give the exp