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Title: Green synthesis of 1,2,4-triazolo[4,3-a][1,8]naphthyridines using PhI(OAc)2-Al2O3 under microwave irradiation
Authors: Mogilaiah, K
Chandra, A Vinay
Srivani, N
Keywords: 1,2,4-Triazole
Microwave irradiation
Solvent-free conditions
Issue Date: Sep-2011
Publisher: NISCAIR-CSIR, India
Abstract: Alumina-supported iodobenzene diacetate [PhI(OAc)2-Al2O3] is a highly efficient reagent for the oxidative cyclization of N-arylidene-N′–[3-(4-fluorophenyl)-[1,8]naphthyridin-2-yl]-hy­dra­zines 7 to 1-aryl-4-[4-fluoro phenyl]-1,2,4-triazolo[4,3-a][1,8]naphthyridines 8 in solvent-free conditions under microwave irradiation. The products are obtained in good yields and excellent purities. The structural assignments of compounds 3-8 were based on their spectral (IR, 1H NMR and MS) and analytical data.
Description: 1187-1191
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.50B(09) [September 2011]

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