32 research outputs found
An efficient and simple approach for the synthesis of pyranopyrazoles using imidazole (catalytic) in aqueous medium, and the vibrational spectroscopic studies on 6-amino-4-(4′-methoxyphenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydropyrano[2,3-c]pyrazole using density functional theory
Full text linkChemInform Abstract: DIE SYNTHESE VON CYANAMINOTHIOPHENEN MIT AKTIVEN FUNKTIONELLEN GRUPPEN
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ChemInform Abstract: Cyclization Reactions of Nitriles. Part 20. Synthesis of Condensed 2-Amino-4H-pyrans and the Molecular Structure of 2-Amino-7,7-dimethyl-4-(3-fluorophenyl)-5-oxo-3-ethoxycarbonyl-5,6,7,8-tetrahydro-4H-benzo[b]pyran.
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Reactions of 6-Amino-5-Cyano-3-Methyl-1,4-Diphenyl-1H 4H-Pyrano[2,3-C]Pyrazole and its Methanimidate
No full textDialdehyde in heterocyclic synthesis: Synthesis of compounds containing two 4H-benzopyran building blocks under microwave irradiation
No full textSynthesis of Novel Fused Heterocycles Based on Pyrano[2,3-c]pyrazole
No full text3-Substituted 1,2,4-triazole derivatives (5, 9, 13, 16b, 19), pyrimidinium salts (21), triazines (24), and aryl methylene hydrazono pyrazolopyrano-pyrimidine (27a,b) which are rearranged in basic medium to 30a,b, were afforded via the reaction of 6-amino 1,4,5,6-tetrahydro-5-imino-3-methyl-1-phenyl-4 (pchlorophenyl) pyrazolo [4', 3' : 5,6]-pyrano [2,3-d] pyrimidine (3) with different reagents
Glycine-Catalyzed Efficient Synthesis of Pyranopyrazoles via One-Pot Multicomponent Reaction
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