Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Ambar Kumar Choudhury"'
Publikováno v:
ChemistrySelect. 3:3087-3091
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aed1177774805f307dc2358ef692da2a
https://doi.org/10.1002/slct.201800094
https://doi.org/10.1002/slct.201800094
This study is aimed to isolate the phytoactives from the stem bark of Artocarpus hirsutus and evaluate their in vitro anti-acne activity. The ethanolic stem bark extract of A. hirsutus provided two major phytoactive constituents: (i) pyranocycloartob
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f8375677563d2e3d4ea5453f7584687
Publikováno v:
Cogent Chemistry, Vol 3, Iss 1 (2017)
Artocarpus hirsutus Lam., one of the species of Artocarpus, is not well studied. The present study is intended to isolate the chemical constituents present in stem wood extract of Artocarpus hirsutus, the synthesis of their new derivatives and to eva
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca681f3c99a1af03eb84903fcfb3aae4
Autor:
Sanjata Mahapatra, Kalyanam Nagabhushanam, Ambar Kumar Choudhury, Suganya Raja, Muhammed Majeed
Publikováno v:
Antioxidants
Volume 4
Issue 4
Pages 750-767
Antioxidants, Vol 4, Iss 4, Pp 750-767 (2015)
Volume 4
Issue 4
Pages 750-767
Antioxidants, Vol 4, Iss 4, Pp 750-767 (2015)
Curcumin metabolites namely curcumin monoglucuronide and curcumin diglucuronide were synthesized using an alternative synthetic approach. The anti-oxidant potential of these curcumin glucuronides was compared with that of curcumin using DPPH scavengi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6d6f30e2df76c3e494ca9e06dddcd68
Autor:
Yi Zhang, Sidney M. Hecht, Ambar Kumar Choudhury, Rong Gao, Nicolas J. Rahier, Larisa M. Dedkova
Publikováno v:
Biochemistry. 45:8402-8410
The human topoisomerase I-mediated DNA relaxation reaction was studied following modification of the enzyme at the active site tyrosine (position 723). A series of unnatural tyrosine analogues was incorporated into the active site of human topoisomer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6b0baabfd14935f038c8038decc9342
https://doi.org/10.1021/bi0605179
https://doi.org/10.1021/bi0605179
Publikováno v:
Organic Letters. 3:1291-1294
[structure in text] To explore the possibility of modifying bleomycin in a fashion that could alter its physiological distribution in a therapeutic setting, a new analogue of bleomycin has been prepared. This analogue is intended to target the asialo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54daa8ec92ceca9a75eac1cd1a5f25b1
https://doi.org/10.1021/ol010015h
https://doi.org/10.1021/ol010015h
Publikováno v:
Journal of Carbohydrate Chemistry. 18:1121-1130
Synthesis of 1,6-anhydro-2,3,5-tri-O-benzoyl-β-D-galactofuranose (3) has been achieved in good yield by stannic chloride catalysed ring closure of methyl 2,3,4-tri-O-benzoyl-6-O-benzyl-β-D-galactofuranoside (1). The anhydro compound 3 was converted
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17c591980a8901adfaf3feb3b5cd7eb9
https://doi.org/10.1080/07328309908544059
https://doi.org/10.1080/07328309908544059
Publikováno v:
Journal of Carbohydrate Chemistry. 18:361-367
Thioglycosides are very useful glycosyl donors for the synthesis of oligosaccharides.1 Frequent use of these donors is due to their ease of preparation, stability and capability of reaction in the presence of a variety of promoters like iodonium dico
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78cdc686f3a724f3bf8e4c17c1104fcf
https://doi.org/10.1080/07328309908544001
https://doi.org/10.1080/07328309908544001
Publikováno v:
Synthetic Communications. 28:3115-3120
Ethyl 2,3,5-tri-O-benzoyl-6-O-benzyl-1-thio-β-D-galactofuranoside was utilized as glycosyl donor for the synthesis of a disaccharide donor as a P-tolyl thioglycoside, which reacted with the suitable furanoside acceptor to afford the trisaccharide de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60ed6358c722f39be5f1424d0b1822d8
https://doi.org/10.1080/00397919808004892
https://doi.org/10.1080/00397919808004892
Autor:
Ambar Kumar Choudhury, Nirmolendu Roy
Publikováno v:
Carbohydrate Research. 308:207-211
2,3,5-Tri- O -benzoyl-6- O -benzyl- β - d -galactofuranosyl trichloroacetimidate has been prepared for the first time and utilised as glycosyl donor for the synthesis of several disaccharides containing the β -linked galactofuranoside moiety.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6cce249480e662e6a25e921f37a84c1
https://doi.org/10.1016/s0008-6215(98)00062-7
https://doi.org/10.1016/s0008-6215(98)00062-7