Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Hitesh A. Barad"'
Autor:
Tushar R. Sutariya, Prashant R. Murumkar, Gaurangkumar C. Brahmbhatt, Narsidas J. Parmar, Irene Lagunes, José M. Padrón, Mayank Kumar Sharma, Mange Ram Yadav, Hitesh A. Barad
Publikováno v:
New Journal of Chemistry. 40:4931-4939
A multicomponent reaction has been developed by incorporating quinoline-3-carbaldehyde, 1,3-cyclohexanedione and 2,3-diaminopyridine into some new quinolylpyrido[2,3-b][1,4]benzodiazepinone assemblies under catalyst- and solvent-free conditions at 12
Autor:
Harshur Jajda, Shashikant B. Teraiya, Vasudev R. Thakkar, Narsidas J. Parmar, Hitesh A. Barad, Rikin A. Patel
Publikováno v:
Journal of Saudi Chemical Society, Vol 19, Iss 1, Pp 36-41 (2015)
A series of nine new biologically active Schiff bases 5a–i were synthesized by a condensation of 4-acyl-5-pyrazolones 3a–c with aromatic diamines 4a–d, and characterized by elemental analysis, mass and spectroscopic data. All the compounds show
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 145:1179-1189
The 2-alkenylthiopyranoquinoline-3-carbaldehyde derived from 2-mercaptoquinoline-3-carbaldehyde and citral underwent smooth domino Knoevenagel/hetero-Diels–Alder reaction with heterocyclic mono- or diketones in tetrabutylammonium hydrogensulfate un
Publikováno v:
Medicinal Chemistry Research. 23:42-56
One-pot synthesis of 24 new compounds, belonging to three families; dipyrazolo[3,4-b:4′,3′-e]pyranylquinolones 7a–h and its precursors (pyrazolonylidene)methylquinolones 5a–h and 4,4′-[(quinolinyl)methylene]bispyrazols 6a–h, 8 from each,
Publikováno v:
Synthetic Communications. 43:1577-1586
An efficient, one-pot synthetic approach to precursors of some new aminochromene/xanthene annulated heterocycles via a tetrabutylammonium hydrogen sulfate–mediated intramolecular domino Knoevenagel–hetero-Diels–Alder reaction is described. The
Autor:
Hitesh A. Barad, Vivek K. Gupta, Rajni Kant, Bhagyashri D. Parmar, Narsidas J. Parmar, Bhavesh R. Pansuriya
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 144:865-878
A solvent-cum catalyst, ionic liquid triethyl- ammonium acetate-mediated one-pot procedure for the synthesis of some new angular benzopyrano(3,4-c)pyrano- fused pyrazoles, all of which incorporate a tertiary ring junction carbon, has been developed.
Publikováno v:
Bioorganic & Medicinal Chemistry Letters. 22:4075-4079
An improved microwave assisted one-pot method for the synthesis of twelve new aryldiazenylchromeno [4,3-b] pyrrolidines via intramolecular azomethine ylide cycloaddition route is described. The method is efficient and advantageous over conventional a
Publikováno v:
Journal of Coordination Chemistry. 64:688-698
Copper(II) chelates of the Schiff bases (H2L), obtained by condensation of 4-butyryl-3-methyl-1-phenyl-pyrazoline-5-one (HBMPP) with o-phenylene diamine (H2L1) and p-phenylene diamine (H2L2), have been prepared and characterized by elemental analyses
Publikováno v:
ChemInform. 45
The 2-alkenylthiopyranoquinoline-3-carbaldehyde derived from 2-mercaptoquinoline-3-carbaldehyde and citral underwent smooth domino Knoevenagel/hetero-Diels–Alder reaction with heterocyclic mono- or diketones in tetrabutylammonium hydrogensulfate un
Autor:
Bhagyashri D. Parmar, Bhavesh R. Pansuriya, Narsidas J. Parmar, Rajni Kant, Hitesh A. Barad, Vivek K. Gupta
Publikováno v:
ChemInform. 44
The title reaction is performed in triethylammonium acetate which acts as catalyst and solvent.