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Potassium dodecatangestocobaltate trihydrate (K5CoW12O40·3H2O): a mild and efficient catalyst for the tetrahydropyranylation of alcohols and their detetrahydropyranylation

✍ Scribed by Mohammad H Habibi; Shahram Tangestaninejad; Iraj Mohammadpoor-Baltork; Valiollah Mirkhani; Bahram Yadollahi

Publisher
Elsevier Science
Year
2001
Tongue
French
Weight
59 KB
Volume
42
Category
Article
ISSN
0040-4039

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✦ Synopsis

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.

📜 SIMILAR VOLUMES

Potassium dodecatangestocobaltate trihyd
Potassium dodecatangestocobaltate trihydrate (K5CoW12O40·3H2O): a mild and efficient catalyst for deprotection of dioxolanes and trimethylsilyl ethers
✍ 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.