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New polystyrene sulfonic acid resin catalysts with enhanced acidic and catalytic properties

✍ Scribed by P.F. Siril; H.E. Cross; D.R. Brown


Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
155 KB
Volume
279
Category
Article
ISSN
1381-1169

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Catalytic allylation of hydrates of Ξ±-ke
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## Abstract Methanesulfonic acid, aromatic sulfonic acids, and 10‐camphorsulfonic acid have been used as catalysts in allylation of hydrates of α‐keto aldehydes **1a–d** and glyoxylates **1e–f** with allyltrimethylsilane **2** to afford the corresponding homoallylic alcohols **4a–e** in good yields