Výsledky vyhledávání - "Ch. Brajakishor Singh"

Complexation of 2-amino-3-(4-hydroxyphenyl)-N′-[(2-hydroxyphenyl) methylene] propane hydrazide with Mn(II), Co(II), Ni(II), Cu(II) and Zn(II) ions: Structural characterization, DFT, DNA binding and antimicrobial studies

Autor: Francis A. S. Chipem, Rajkumari Lonibala, Ph. Pengkiliya Devi, Ch. Brajakishor Singh

Publikováno v: Journal of Molecular Structure. 1176:7-18

2-amino-3-(4-hydroxyphenyl) N-[(1E)-(2-hydroxyphenyl)methylene]propanehydrazide (amph, LH2) and Mn(II), Co(II), Ni(II), Cu(II) and Zn(II) complexes were synthesized and characterized based on the elemental analyses, molar conductance, TGA, magnetic s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2fef90105469cf2b7cf9d415d9dd390c
https://doi.org/10.1016/j.molstruc.2018.08.070

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Synthesis, structural characterization and antimicrobial activities of diorganotin(IV) complexes with azo-imino carboxylic acid ligand: Crystal structure and topological study of a doubly phenoxide-bridged dimeric dimethyltin(IV) complex appended with free carboxylic acid groups

Autor: N. Manglembi Devi, Manojit Roy, Ch. Brajakishor Singh, Subhadip Roy, Keisham Surjit Singh

Publikováno v: Journal of Molecular Structure. 1119:64-70

Diorganotin(IV) complexes appended with free carboxylic acids were synthesized by reacting diorganotin(IV) dichlorides [R 2 SnCl 2 ; R = Me ( 1 ), Bu ( 2 ) and Ph ( 3 )] with an azo-imino carboxylic acid ligand i.e . 2-{4-hydroxy-3-[(2-hydroxyphenyli

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::631ddcf7ff4195ba761e6ed6a7d06842
https://doi.org/10.1016/j.molstruc.2016.04.063

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Reverse Phase HPLC Profiling of Antioxidant and Antimicrobial Activities of Sarcochlamys pulcherrima (Roxb.) Gaud

Autor: Naorem Manglembi Devi, Pradip Doley, Abhishekh Singh, Ch. Brajakishor Singh

Publikováno v: International Current Pharmaceutical Journal. 5:49-54

The total phenolics content, total flavonoids content, antioxidant activity and antimicrobial activity of methanol extract and its derived fractions from Sarcochlamys pulcherrima (Roxb.) Gaud. were evaluated. The plant material was initially extracte

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a598931b31353fd5b3fd4a8a6b165c89
https://doi.org/10.3329/icpj.v5i6.27709

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Kaemgalangol A: Unusual seco-isopimarane diterpenoid from aromatic ginger Kaempferia galanga

Autor: Takehiro Tominaga, Midori Suenaga, Masaaki Noji, Akemi Umeyama, Mahmoud A. A. Ibrahim, Abdelsamed I. Elshamy, Ningombam Swapana, Hiroshi Imagawa, Mohamed-Elamir F. Hegazy, Ch. Brajakishor Singh

Publikováno v: Fitoterapia. 129

A new unusual seco-isopimarane, kaemgalangol A (1) and 12 usual analogs (2−13) were isolated from the rhizomes of Kaempferia galanga (Family: Zingiberaceae). KaemgalangolA (1) represented a rarely isolated 9,10-seco-isopimarane skeleton. The chemic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e7083b6ea3f550242848976700a57c3
https://pubmed.ncbi.nlm.nih.gov/29913194

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Synthesis, characterization and antibacterial activity of some water soluble ZnII azide complexes with (E)-N-(thiophen-2-ylmethylene)anilines

Autor: Department Of Chemistry, Sajal Kundu, N. Manglembi Devi, Ch. Brajakishor Singh, Keisham Surjit Singh

Department of Chemistry, National Institute of Technology Agartala, Jirania-799 046, Tripura (West), India E-mail : kundu12@gmail.com, surjitkeisham@yahoo.co.in Fax : 91-381-2346360 b Institute of Bio-resources and Sustainable Development, Takyelpat,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c0aeb8cf518a82533d4c9b861166bf91

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Synthesis, characterization and antimicrobial activities of triorganotin(IV) complexes with azo-azomethine carboxylate ligands: Crystal structure of a tributyltin(IV) and a trimethyltin(IV) complex

Autor: Manojit Roy, Keisham Surjit Singh, N. Manglembi Devi, Lo Kong Mun, Ch. Brajakishor Singh, Bikash Ghosh, Subhadip Roy

Triorganotin(IV) complexes with polyaromatic azo-azomethine carboxylate ligands viz. 2-{4-hydroxy-3-[(2/4-hydroxyphenylimino)methyl]phenylazo}benzoic acids [H3L1/H3L2] were synthesized by reacting the ligands with either bis-tri-n-butyltin(IV) oxide

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b56845562362dfdcdd5b0c7cef58747

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A New Diphenyl Ether Glycoside from Xylosma longifolium Collected from North-East India

Autor: Hiroshi Imagawa, Kanako Iseki, Yasuko Okamoto, Yuusuke Kasai, Akemi Umeyama, Rina Nishiuma, Ch. Brajakishor Singh, Yoshinori Asakawa, Masaaki Noji, Ningombam Swapana, Masahiro Izumi

Publikováno v: Natural Product Communications. 12:1934578X1701200

A new diphenyl ether glycoside, xylosmaloside (1), was isolated from the MeOH extract of Xylosma longifolium Clos. The structure of xylosmaloside (1) was elucidated using MS analyses, extensive 2D-homo and heteronuclear NMR data interpretation and th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5da5b8c2dee579716e88f751a93d9174
https://doi.org/10.1177/1934578x1701200832

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A Facile Synthesis of Steroidal Pyrazoles, Isoxazoles and Pyrimidines from Testosterone

Autor: L. Warjeet Singh, Ch. Brajakishor Singh

Publikováno v: ChemInform. 37

Synthesis of 17β-hydroxy-androst-4-eno[3,2-c]pyrazole 3, 17β-hydroxy-androst-4-cno[3,2-c]-[1'H]-5'-methylthiopyrazole 4, 17β-hydroxy-androst-4-eno[2,3-d]isoxazole 5, 17β-hydroxy-androst-4-eno[2,3-d]-[1'H]-3'-methylthio isoxazole 6, 17β-hydroxy-a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ccd6f55925ac9fe5e3b6c2f53c3bc298
https://doi.org/10.1002/chin.200633198

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