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Polyvinylpolypyrrolidoniume Tribromide as an Efficient Catalyst for the Acetylation of Alcohols and Phenols（图）
alcohol phenol polyvinylpolypyrrolidoniume tribromide acetylation acetic anhydride
2013/10/4
An efficient and versatile procedure for the acetylation of alcohols and phenols using acetic anhydride in the presence of a catalytic amount of polyvinylpolypyrrolidoniume tribromide has been success...
Silylation of Alcohols and Phenols with Hexamethyldisilazane over Highly Reusable Propyl Sulfonic Acid Functionalized Nanostructured SBA-15（图）
reusable heterogeneous catalyst solid sulfonic acid SBA-15 protecting group silylation hexamethyldisilazane
2013/10/10
Various alcohols and phenols were trimethylsilylated in excellent yields using hexamethyldisilazane in the presence of catalytic amounts of environmentally friendly, hydrophobic, highly thermal stable...