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Title: KHSO₄-SiO₂-MeOH An efficient selective solid-supported system for deprotection of alcohols from esters
Authors: Goswami, Amrit
Das, Ram N
Borthakur, Naleen
Keywords: Transesterification
Diosgenin acetate
Castor oil
Methyl ricinoleate
Issue Date: Nov-2007
Publisher: CSIR
Abstract: KHSO₄-SiO₂ can efficiently deprotect alcohols from esters through transesterification in methanol under mild condition. Esters of aromatic alcohols are easily transesterified at room temperature compared to the corresponding aliphatic or alicyclic alcohol. N-Acetyl compounds and ethers are resistant to the reagent under the above condition. The method is very useful for preparation of bio-diesel methyl ricinoleate from castor oil.
Description: 1893-1895
ISSN: 0376-4699
Appears in Collections:IJC-B Vol.46B(11) [November 2007]

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