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IJC-B Vol.46B(05) [May 2007] >


Title: Synthesis of 3-(6-aryl-pyridin-2-yl)- and 8-(6-aryl-pyridin-2-yl) coumarins
Authors: Brahmbhatt, D I
Gajera, J M
Pandya, V P
Patel, M A
Keywords: Coumarins
Pyridinium salts
Mannich bases
Issue Date: May-2007
Publisher: CSIR
IPC CodeInt.Cl.⁸C07D
Abstract: Mannich bases of 3-acetyl coumarin 1 and 4-methyl-7-methoxy-8-acetyl coumarin 4 on reaction with substituted phenacyl bromide pyridinium salts 2a-f in the presence of ammonium acetate in refluxing acetic acid afford the title 3-(6-aryl-pyridin-2-yl)- and 8-(6-aryl-pyridin-2-yl) coumarins (3a-f and 5a-f) in moderate to good yields.
Page(s): 869-871
ISSN: 0376-4699
Source:IJC-B Vol.46B(05) [May 2007]

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