Zobrazeno 1 - 10
of 20
pro vyhledávání: '"S. K. Peethambar"'
Autor:
A. M. Sridhara, K. R. Venugopala Reddy, J. Keshavayya, D. S. Ambika, Sanathkumar Goud, S. K. Peethambar
Publikováno v:
E-Journal of Chemistry, Vol 8, Iss 3, Pp 1022-1029 (2011)
A series of new 3-isoxazoline substituted phthalazine methylsulfonyl-oxadiazoles were prepared from methyl 2-(4-oxo-3,4-dihydrophthalazin-1-yl) acetate. The structure of synthesized compounds were characterized by spectral data and screened for their
Externí odkaz:
https://doaj.org/article/948a4b2a8e33469d9df01702fa966920
Publikováno v:
Arabian Journal of Chemistry, Vol 10, Iss S2, Pp S3895-S3906 (2017)
The present work describes the synthesis of 6-substituted-3-(1-(4-substituted)-4-((Z)-(5,6-dimethoxy-1-oxo-1H-inden-2(3H)-ylidene)methyl)-1H-pyrazol-3-yl)-2H-chromen-2-one derivatives ( 5a – l ) by Claisen–Schmidt condensation of 3-(6-substituted
Publikováno v:
Arabian Journal of Chemistry, Vol 9, Iss S2, Pp S1643-S1648 (2016)
3,5-Bis(alkyl-1,3,4-oxadiazole-2-yl azo dyes were synthesized by a multi-step reaction sequence. Structures of newly synthesized compounds were characterized and confirmed by IR, NMR, and Mass spectral studies. The synthesized compounds were screened
Publikováno v:
Medicinal Chemistry Research. 25:2680-2690
A new series of phthalazine-based 1,2,3-triazole derivatives (5a–h, 6a–f and 7a–d) were synthesized from the corresponding 2-(4-methyl/chloro benzyloxy) benzoic acid by multi-step reactions. Synthesized compounds were characterized by spectral
Autor:
Dharmarajan Sriram, H. S. Santosh Kumar, S. K. Peethambar, Perumal Yogeeswari, Jurupula Ramprasad, Nagabhushana Nayak, Rajeshwara N. Achur, Udayakumar Dalimba
Publikováno v:
Research on Chemical Intermediates. 42:3721-3741
A new series of pyrazole-based 1,2,3-triazole derivatives (6a–x) were synthesized by employing click reaction using a 2:1 mixture of PEG-400 and water as green solvent. The synthesized intermediate and final compounds were characterized by 1H NMR,
Autor:
Dharmarajan Sriram, Rajeshwara N. Achur, H. S. Santosh Kumar, Nagabhushana Nayak, Jurupula Ramprasad, S. K. Peethambar, Perumal Yogeeswari, Udayakumar Dalimba
Publikováno v:
European Journal of Medicinal Chemistry. 95:49-63
In this report, we describe the synthesis and biological evaluation of a new series of 2-(imidazo[2,1-b][1,3,4]thiadiazol-5-yl)-1H-benzimidazole derivatives (5a-ac). The molecules were analyzed by 1H NMR, 13C NMR, mass spectral and elemental data. Th
Publikováno v:
Arabian Journal of Chemistry, Vol 7, Iss 6, Pp 1185-1191 (2014)
A series of 2,5-disubstituted-1,3,4-oxadiazole derivatives bearing pyrazole moiety were synthesized by reacting various substituted pyrazole-4-carboxylic acids with different hydrazides in POCl3. All the synthesized compounds (4a–n) were characteri
Publikováno v:
Medicinal Chemistry Research. 23:2834-2846
Inhibitors of alpha-amylase are targets for the development of novel drugs for the treatment of diabetes and obesity. Alpha amylase is an enzyme which increases the bio availability of glucose in the blood. Hence, the inhibition effects of alpha amyl
Publikováno v:
Journal of Cluster Science. 24:1081-1092
In the present study, Acacia farnesiana (Sweet acacia) seed extract is used to reduce Ag+ → Ag0 under microwave irradiation. The formation of silver nanoparticles (AgNPs) is monitored by recording the UV–Vis absorption spectra for surface plasmon
Publikováno v:
Medicinal Chemistry Research. 22:4787-4797
A series of β-amino carbonyl compounds containing coumarin (4a–h) and benzofuran (6a–i) moieties was synthesized by a three component Mannich reaction of 3-acetyl-2H-chromen-2-one (1) or 1-(1-benzofuran-2-yl) ethanone (5) with p-substituted arom