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Title: Green synthesis of 3-(2-oxo-2H-chromenyl)-1-[3-(4-methoxyphenyl)[1,8]naphthyridin-2-yl]-1H-4-pyrazolecarbaldehydes under microwave irradiation
Authors: Mogilaiah, K
Jagadeeshwar, K
Prasad, R Shiva
Keywords: 1,8-Naphthyridine;2H-2-chromenones;pyrazolecarb­alde­hydes;Vilsmeier-Haack reagent;solid support;microwave irradiation
Issue Date: Oct-2009
Publisher: CSIR
Abstract: An efficient and convenient method is described for the synthesis of 3-(2-oxo-2H-chromenyl)-1-[3-(4-methoxyphenyl)­[1,8]­naphthyridin-2-yl]-1H-4-pyrazolecarbaldehydes from 3-[2-(3-(4-methoxyphenyl)[1,8]-naphthyridin-2-yl)ethanhydrazonyl]-2H-2-chromenones (hydrazones) in the presence of DMF-POCl3 (Vilsmeier-Haack reagent) using silica gel as solid support under microwave irradiation.
Page(s): 1466-1469
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.48B(10) [October 2009]

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