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Three-component coupling reactions in ionic liquids: One-pot synthesis of isoxazolidines

✍ Scribed by J.S. Yadav; B.V.S. Reddy; P. Sreedhar; Ch.V.S.R. Murthy; G. Mahesh; G. Kondaji; K. Nagaiah

Book ID
104057186
Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
181 KB
Volume
270
Category
Article
ISSN
1381-1169

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✦ Synopsis

1-Butyl-3-methylimidazolium based ionic liquids are found to accelerate significantly the intermolecular 1,3-dipolar cycloaddition of nitrones derived in situ from aldehydes and phenyl hydroxylamine, with electron deficient olefins to afford enhanced rates and improved yields of isoxazolidines with high regio-and diastereoselectivity.

📜 SIMILAR VOLUMES

Three-Component One-Pot Synthesis of α-H
Three-Component One-Pot Synthesis of α-Hydroxylamino Phosphonates using Ionic Liquids
✍ J. S. Yadav; B. V. S. Reddy; P. Sreedhar 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 70 KB 👁 1 views

## Abstract α‐Hydroxylamino phosphonates are synthesised in a one‐pot operation by three‐component coupling reactions of aldehydes, hydroxylamines and diethyl phosphite using 1‐butyl‐3‐methylimidazolium tetrafluoroborate ([bmim]BF~4~) or 1‐butyl‐3‐methylimidazolium hexafluorophosphate ([bmim]PF~6~)