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Silicaphosphine (Silphos): A Filterable Reagent for the Conversion of Alcohols and Thiols to Alkyl Bromides and Iodides.

โœ Scribed by Nasser Iranpoor; Habib Firouzabadi; Arezu Jamalian; Foad Kazemi


Publisher
John Wiley and Sons
Year
2005
Weight
24 KB
Volume
36
Category
Article
ISSN
0931-7597

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Acetonyltriphenylphosphonium Bromide (AT
โœ Abu T. Khan; Lokman H. Choudhury; Subrata Ghosh ๐Ÿ“‚ Article ๐Ÿ“… 2005 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 125 KB ๐Ÿ‘ 1 views

## Abstract A wide variety of alcohols, phenols, amines and thiols may easily be converted into the corresponding acetate derivatives by treatment with acetic anhydride (1.5โ€“2.0 equivalents) in the presence of acetonyltriphenylphosphonium bromide (ATPB; 5 molโ€‰%) in good yields at room temperature.