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1-Butyl-3-methylimidazolium Tetrafluoroborate ([Bmim]BF4) Ionic Liquid: A Novel and Recyclable Reaction Medium for the Synthesis of vic-Diamines.

✍ Scribed by J. S. Yadav; B. V. S. Reddy; K. Premalatha

Publisher
John Wiley and Sons
Year
2003
Weight
125 KB
Volume
34
Category
Article
ISSN
0931-7597

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Rhodium Acetate Dimer Immobilized in 1-Butyl-3-methylimidazolium Hexafluorophosphate Ionic Liquid: a Novel and Recyclable Catalytic System for the Cyclopropanation of Alkenes
✍ J.β€…S. Yadav; B.β€…V.β€…S. Reddy; P.β€…Narayana Reddy πŸ“‚ Article πŸ“… 2004 πŸ› John Wiley and Sons 🌐 English βš– 92 KB πŸ‘ 1 views

Alkenes undergo smooth cyclopropanation with ethyl diazoacetate using a catalytic amount of rhodium acetate dimer, Rh 2 (OAc) 4 , immobilized in the air-and moisture-stable 1-butyl-3-methylimidazolium hexafluorophosphate ionic liquid, [bmim]PF 6 , to afford cyclopropanecarboxylates in excellent yiel