Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Geetmani Singh Nongthombam"'
Autor:
Geetmani Singh Nongthombam
Publikováno v:
Indian Journal of Chemistry. 62
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f477e0a88a4a25103a74b557b9422bb8
https://doi.org/10.56042/ijc.v62i1.70348
https://doi.org/10.56042/ijc.v62i1.70348
Publikováno v:
Synthetic Communications. 51:2853-2861
The reaction of 17,17-dichloro-androst-16(E)-chloromethylene with secondary amine base afforded substitution products of exocyclic D-ring ketones, in contrast to the reaction of alkaline base which...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f6128d0e86d7e1b8939d75959fddecb
https://doi.org/10.1080/00397911.2021.1955930
https://doi.org/10.1080/00397911.2021.1955930
Autor:
Ridaphun Nongrum, Mattilang Kharkongor, Geetmani Singh Nongthombam, Jims World Star Rani, Noimur Rahman, George Kupar Kharmawlong, Rishanlang Nongkhlaw
Publikováno v:
Environmental Chemistry Letters. 17:1325-1331
The demand for a cleaner environment has led chemists to develop greener protocols, notably by using catalysts. Encapsulation of an active substance on a solid support makes the process of separation of the catalyst much simpler, thereby generating m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c26de77cf8052a840a67863d608fa98
https://doi.org/10.1007/s10311-019-00857-1
https://doi.org/10.1007/s10311-019-00857-1
Synthesis of D-Ring Annulated Pyridosteroids from β-Formyl Enamides and Their Biological Evaluations
Autor:
Kasmika Borah, Geetmani Singh Nongthombam, Thingreila Muinao, Romesh C. Boruah, Mintu Pal, Yumnam Silla, Hari Prasanna Deka Boruah
Publikováno v:
ACS Combinatorial Science. 21:11-27
Herein, we report the synthesis of a novel class of substituted androst[17,16- b]pyridines (pyridosteroids) from the reaction of β-formyl enamides with alkynes in high yields. The optimized reaction protocol was extended to acyclic and cyclic β-for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a917310bef2ab0a6a55585ca7755e1a9
https://doi.org/10.1021/acscombsci.8b00140
https://doi.org/10.1021/acscombsci.8b00140
Publikováno v:
Synthetic Communications. 48:541-552
The potential of glutathione as a catalyst for carbon–oxygen ring cyclization was investigated experimentally as well as computationally. The glutathione molecules were immobilized on superparamagn...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7fc4a1a7bbbdd977a6723edbabe926ac
https://doi.org/10.1080/00397911.2017.1410893
https://doi.org/10.1080/00397911.2017.1410893
Publikováno v:
New Journal of Chemistry. 42:9436-9442
Herein, a highly efficient and environmentally benign protocol for the synthesis of biologically important pyrimido[4,5-b]quinolinone-2,4-diones from aromatic amines, barbituric acid and aryl aldehyde is reported. This process takes place at room tem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1eb83825dc13351b5ba87b220838282
https://doi.org/10.1039/c8nj01459k
https://doi.org/10.1039/c8nj01459k
Publikováno v:
Tetrahedron Letters. 67:152893
A facile synthesis of pyrazolo[1,5-a]pyrimidine and benzimidazo[1,2-a]pyrimidine annulated steroids is described from the novel reaction of β-formyl enamides with amino pyrazoles, indazoles and benzimidazoles. Several of the products exhibited fluor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e9b5c163adb30213ece4ab6f27e113a
https://doi.org/10.1016/j.tetlet.2021.152893
https://doi.org/10.1016/j.tetlet.2021.152893
Autor:
Ridaphun Nongrum, Geetmani Singh Nongthombam, Mattilang Kharkongor, Jims World Star Rani, Noimur Rahman, Chingrishon Kathing, Bekington Myrboh, Rishanlang Nongkhlaw
Publikováno v:
RSC Advances. 6:108384-108392
An efficient, one-pot synthesis of benzo[b]pyrans catalyzed by vitamin B1 functionalized Fe2O3@SiO2 NPs under ultrasonic conditions is reported herein. The nano-organocatalyst was synthesized and characterized by FT-IR, TEM, EDS, powder XRD, etc. Sev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af056465f1e7e2fd322f9c0b04797ba6
https://doi.org/10.1039/c6ra24108e
https://doi.org/10.1039/c6ra24108e