Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/6762
Title: Phase-transfer catalyzed acylation of 5(3)-hydroxy-3(5)-substituted-1H-pyrazoles
Authors: Khalil, Ali Kh
Hassan, Mohamed A
Mohamed, Mohamed M
El-Sayed, Abeer M
Keywords: Phase-transfer catalysis (PTC)
acylation
heterogeneous reactions
1H-pyrazoles
tetrabutylammonium bromide (TBAB)
solid/liquid phases
Issue Date: Nov-2006
Publisher: CSIR
Series/Report no.: Int.Cl.8 C07D
Abstract: PTC acylation of 5(3)-hydroxy-3(5)-substituted-1H-pyrazoles by different acyl halide reagents at 25°C in the presence of tetrabutylammonium bromide as catalyst has been investigated. This work is aiming to study the comparison of N-versus O- and C-acylation of the starting materials.
Description: 2485-2490
URI: http://hdl.handle.net/123456789/6762
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.45B(11) [November 2006]

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