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Title: Copper-catalyzed substitution reactions of acylal with organomanganese reagents
Authors: Deshmukh, Madhukar B
Jadhav, Sunil D
Kadam, Shashikant V
Keywords: Substitution;Acylals;Organomanganese reagents
Issue Date: Jun-2007
Publisher: CSIR
Abstract: A mild method for the copper-catalyzed substitution of aldehyde acylals with organomanganese reagents is reported. This operationally simple C-C bond-forming protocol uses different Cu(I) catalysts. Acylal from trans-cinnamaldehyde furnishes conjugated addition product when reacted with alkyl and aryl organomanganese reagents in presence of 10 mol % of Cu(NCMe)₂(PPh₃)₂[BF₄] and 2 equivalent of Me₃Si-Cl as an accelerator. This reagent can be efficiently used in the substitution of one acetate group of aromatic acylal to form esters in high yield.
Page(s): 989-994
ISSN: 0376-4699
Appears in Collections:IJC-B Vol.46B(06) [June 2007]

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