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Facile syntheses of α-bromo-α-silyl ketones and α-bromoacylsilanes from tert-butyldimethylsilyldibromomethane and carbonyl compounds

✍ Scribed by Hiroshi Shinokubo; Koichiro Oshima; Kiitiro Utimoto

Book ID
107857992
Publisher
Elsevier Science
Year
1996
Tongue
French
Weight
506 KB
Volume
52
Category
Article
ISSN
0040-4020

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Facile Syntheses of α-Bromo-α-silyl Ketones and α-Bromoacylsilanes from tert-Butyldimethylsilyldibromomethane and Carbonyl Compounds. -The synthesis of title compounds such as (III) and (V) and their usefulness is shown. The Tbs-group plays a critical role in the formation of these products. Mechan

One-pot synthesis of α,β-unsaturated ket
One-pot synthesis of α,β-unsaturated ketones from tert-butyldimethylsilyldibromomethane and two different aldehydes
✍ Hiroshi Shinokubo; Koichiro Oshima; Kiitiro Utimoto 📂 Article 📅 1994 🏛 Elsevier Science 🌐 French ⚖ 262 KB

An addition of benzaldehyde to an ethereal solution of w-butyldimethylsilyldibromo methyllithium provided or-bromo-a-silyl ketone. Further treatment of the a-bmmoa-silyl ketone with butyllithium afforded enolate which provided g-hydroxya-silyl ketone upon treatment with aldehyde in ether. The enolat