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A. K. Sen Gupta

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ChemInform | 1986

Synthesis of Some New Hydrazone Derivatives as Biologically Active Agents.

A. K. Sen Gupta; Ashu Rastogi

A series of [4-(6H/bromo-4-oxo-2-phenyl-3(4H)-quinazolinyl)phenoxy]acetic acid (1,2-dihydro-1-H/methyl-2-oxo-3H-indol-3-ylidene)hydrazides (VII1-16) were synthesised by condensing 1-H/methyl-5-substituted indoline-2,3-diones with [4-(6H/bromo-4-oxo-2-phenyl-3(4H)-quinazolinyl) phenoxy]acetic acid hydrazides (IV1-2) which in turn were obtained by reacting ethyl [4-(6H/bromo-4-oxo-2-phenyl-3(4H)-quinazolinyl)phenoxy]acetates (III1-2) with hydrazine hydrate. All the synthesised compounds (VIII1-16) were screened for their antibacterial, acetylcholinesterase enzyme inhibitory and antiviral activities.

ChemInform | 1978

SYNTHESIS OF O,O-DIALKYL(SUBSTITUTED-P-SULFAMOYL PHENYL)PHOSPHOAMIDOTHIOATE AS POTENTIAL INSECTICIDES

A. K. Sen Gupta; B. Singh

Durch Kondensation der Thiophosphorsaureesterchloride (I) mit den entsprechenden Sulfonamiden wurden die Verbindungen (II) dargestellt.

ChemInform | 1980

SYNTHESIS OF SOME NEW MANNICH BASES DERIVED FROM SUBSTITUTED BENZIMIDAZOLE, BENZOXAZOL-2-ONE, BENZOXAZOL-2-THIONE, OXADIAZOL-2-THIONES AND THEIR BIOLOGICAL ACTIVITIES

A. K. Sen Gupta; Munish Garg; U. Chandra

ChemInform | 1979

SYNTHESIS AND ANTIBACTERIAL ACTIVITY OF SOME PHENOXYACETYL THIOSEMICARBAZIDES, SUBSTITUTED 1,3,4-OXADIAZOLES, 1,2,4-TRIAZOLES AND ALKYL/PHENYL CARBAMATES OF SUBSTITUTED 1,3,4-OXADIAZOLE-2-THIONES

A. K. Sen Gupta; O. P. Bajaj; U. Chandra

ChemInform | 1990

Preparation of Some New Derivatives of 5,6-Diphenyl-1,2,4-triazine-3-hydrazines and Their Biological Evaluation.

Vatsala Misra; Suvadeep Sen; A. K. Sen Gupta; Munwar Khan; Hitesh Verma

ChemInform | 1988

Synthesis of New Thiazolidinone Derivatives as Biologically Active Agents.

A. K. Sen Gupta; Avnish Pandey

ChemInform | 1984

SYNTHESIS AND ACETYLCHOLINESTERASE ACTIVITY OF 1-ARYL-3-(3,4-DIPHENYL-1,2,4-TRIAZIN-6-YLMERCAPTOACETYL)UREAS

A. K. Sen Gupta; Ashu Rastogi; K. Hajela

ChemInform | 1983

Synthesis of Some New 1-Substituted 5-Bromo-3-aryloxy Acetyl Hydrazono-2-indolinones as Potential Antibacterial Agents.

A. K. Sen Gupta; Ashu Rastogi

ChemInform | 1983

Synthesis of Some New Indolinone Derived Hydrazones as Possible Antibacterial Agents.

A. K. Sen Gupta; Avinash Gupta

ChemInform | 1981

SYNTHESIS AND EVALUATION OF SUBSTITUTED QUINAZOLONE DERIVATIVES FOR ANTIBACTERIAL, ANTIFUNGAL, AND ANTIACETYLCHOLINESTERASE

A. K. Sen Gupta; Hemant K. Misra

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Ashu Rastogi

Post Graduate Institute of Medical Education and Research

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B. Singh

Defence Research and Development Establishment

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Hemant K. Misra

University of Lucknow

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N.K. Dutt

Indian Association for the Cultivation of Science

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Avinash Gupta

Motilal Nehru National Institute of Technology Allahabad

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K. Hajela

University of Lucknow

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J.K. Kumar

Central Institute of Medicinal and Aromatic Plants

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Karishma Agarwal

Central Institute of Medicinal and Aromatic Plants

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Vatsala Misra

Motilal Nehru Medical College

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Suvadeep Sen

Siemens

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