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Reactions of α-monochloro- and α,α-dichloro-β-oxoaldehyde acetals with bases

✍ Scribed by F. I. Guseinov

Publisher
Springer
Year
1998
Tongue
English
Weight
258 KB
Volume
47
Category
Article
ISSN
1573-9171

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✍ Lars Engman; Joachim Persson; Ulf Tilstam 📂 Article 📅 1989 🏛 Elsevier Science 🌐 French ⚖ 257 KB

## Selenium(W)-dichlorides 1, readily available by treatment of methyl ketones with phenylselenium trichloride or selenium tetrachloride, were treated in methylene chloride with pyridine to give a-chloroselenides 2 in a Pummerer-like reaction. Sulfuryl chloride chlorination of these materials and