Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Prabal Bandyopadhyay"'
Autor:
M. P. Kaushik, Pratibha Sharma, S. N. Tikar, Ruchi Yadav, Manisha Sathe, Ashok Kumar, Prabal Bandyopadhyay
Publikováno v:
Bioorganic & Medicinal Chemistry Letters. 24:2934-2939
Series of benzimidazole and benzothiazole linked phosphoramidates and phosphoramidothioates (5a-j) and benzimidazole linked phenylphosphoramidates and phenylphosphoramidothioates (10a-e) were synthesized. The title compounds were preliminary screened
Publikováno v:
Medicinal Chemistry Research. 23:3569-3584
A series of 7-hydroxy-2-aryl-6-aryldiazenyl-4H-chromen-4-one derivatives (6a–m) was synthesized in quantitative yields and their structures were corroborated on the basis of FT-IR, 1H, 13C NMR, ESI–MS, and elemental analysis data. The synthesized
Publikováno v:
Tetrahedron Letters. 53:4631-4635
Polystyrene-supported 2-isobutoxy-1-isobutoxycarbonyl-1,2-dihydroquinoline (PS-IIDQ), a polymer supported covalent coupling reagent, was successfully employed for the first time in the synthesis of 8-substituted xanthine derivatives. PS-IIDQ was obse
Publikováno v:
Tetrahedron. 68:3822-3827
N-Bromo succinimide (NBS) was found to be an efficient and regioselective reagent in combination with AIBN for an unprecedented, facile and rapid one-step synthesis of 8-substituted xanthine derivatives at room temperature. The inexpensive, nontoxic
Autor:
Amitabh Kumar Srivastava, S. Ponmariappan, Manisha Sathe, Pratibha Sharma, M. P. Kaushik, Prabal Bandyopadhyay, Arti Sharma
Publikováno v:
Bioorganic & Medicinal Chemistry Letters. 21:7306-7309
Present communication deals with the in vitro time point quantitative antibacterial evaluation of newly synthesized 1,2-disubstituted benzimidazoles (3a-p) and 2-substituted benzothiazoles (5a-h) against Gram-positive bacteria Staphylococcus aureus,
Autor:
Manisha Sathe, Ashok Kumar, Prabal Bandyopadhyay, Jitendra Singh, Pratibha Sharma, M. P. Kaushik, Manisha Sharma
Publikováno v:
Journal of Enzyme Inhibition and Medicinal Chemistry. 27:294-301
Present communication deals with the synthesis of novel 2-methyl-3-[2-(2-methylprop-1-en-1-yl)-1H-benzimidazol-1-yl]pyrimido[1,2-a]benzimidazol-4(3H)-one derivatives under phase transfer catalysis (PTC) conditions using benzyl triethyl ammonium chlor
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 341:77-82
Present communication elicits the use of mesoporous mixed metal oxide nanocrystals of Al 2 O 3 –Fe 2 O 3 , Al 2 O 3 –V 2 O 5 and Al 2 O 3 –CuO as heterogeneous catalysts for the preparation of series of medicinally significant 1,2-disubstituted
Autor:
Ashok Kumar, Prabal Bandyopadhyay, M. P. Kaushik, G. K. Prasad, Pratibha Sharma, Manisha Sathe
Publikováno v:
ChemInform. 45
An inexpensive and rapid alternative method for the synthesis of structurally diversified polyfunctionalized quinolines of pharmaceutical interest is developed.
Publikováno v:
ChemInform. 43
The polystyrene-supported 2-isobutoxy-1-isobutoxycarbonyl-1,2-dihydroquinoline (PS-IIDQ) is found to be more efficient than IIDQ and polymer-supported carbodiimide.
Publikováno v:
ChemInform. 43
NBS efficiently promotes the condensation of aldehydes with uracil derivative (I) in the presence of a catalytic amount of AIBN in a single step via a radical chain reaction.