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Potassium dodecatungstocobaltate trihydrate (K5CoW12O40·3H2O): A mild and efficient reusable catalyst for the synthesis of β-acetamido ketones under solvent-free conditions

✍ Scribed by Lingaiah Nagarapu; Srinivas Kantevari; Venkata Narasimhaji Cheemalapati; Satyender Apuri; N. Vijaya Kumari


Book ID
108212812
Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
150 KB
Volume
264
Category
Article
ISSN
1381-1169

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Potassium dodecatangestocobaltate trihyd
✍ Mohammad H Habibi; Shahram Tangestaninejad; Iraj Mohammadpoor-Baltork; Valiollah 📂 Article 📅 2001 🏛 Elsevier Science 🌐 French ⚖ 107 KB

Mild and easy deprotection of benzylic dioxolanes to carbonyl compounds (in refluxing dry acetone) and trimethylsilyl ethers to alcohols in acetonitrile at ambient temperature has been carried out in excellent yields under K 5 CoW 12 O 40 •3H 2 O (0.01 molar equiv.

Potassium dodecatangestocobaltate trihyd
✍ Mohammad H Habibi; Shahram Tangestaninejad; Iraj Mohammadpoor-Baltork; Valiollah 📂 Article 📅 2001 🏛 Elsevier Science 🌐 French ⚖ 59 KB

A simple, mild and effective method for tetrahydropyranylation of a variety of alcohols and cleavage of their tetrahydropyranyl ethers at ambient temperature in the presence of K 5 CoW 12 O 40 •3H 2 O as the catalyst with high turnovers is described.