Ferric chloride: An excellent reagent for the removal of benzyl ethers in the presence of p-bromobenzoate esters

Anhydrous FeCl3 in dry CH2Cl2 removed benzyl ethers from carbohydrates containing p-bromobenzoate esters, without hydrogenolysis of the bromine atoms. In addition, debenzylations of β-glycopyranosides occurred with simultaneous anomerization or retention of the anomeric configuration.

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Bibliographic Details
Main Authors: Padrón, Juan I., Vázquez, Jesús T.
Other Authors: Ministerio de Educación y Ciencia (España)
Format: artículo biblioteca
Language:English
Published: Elsevier 1995-04
Subjects:Ferric chloride, Reagent, Benzyl ethers, p-bromobenzoate esters,
Online Access:http://hdl.handle.net/10261/211860
http://dx.doi.org/10.13039/501100008737
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Description
Summary:Anhydrous FeCl3 in dry CH2Cl2 removed benzyl ethers from carbohydrates containing p-bromobenzoate esters, without hydrogenolysis of the bromine atoms. In addition, debenzylations of β-glycopyranosides occurred with simultaneous anomerization or retention of the anomeric configuration.