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An inexpensive and simple process for the preparation of antimony(III) and bismuth(III) triflates

✍ Scribed by Magali Peyronneau; Cécile Arrondo; Laure Vendier; Nicolas Roques; Christophe Le Roux


Book ID
108211239
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
68 KB
Volume
211
Category
Article
ISSN
1381-1169

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✍ V. Kameswara Rao; M. Sudershan Rao; Anil Kumar 📂 Article 📅 2011 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 87 KB

## Abstract Isomerization of 2′‐hydroxychalcone and 2′‐aminochalcone have been investigated using ytterbium(III) trifluromethanesulfonate {Yb(OTf)~3~} (30 mol %) as Lewis acid catalyst in [bmim][BF~4~] ionic liquid. The effect of different metal triflates as Lewis acid, catalyst loading and reactio