Zobrazeno 1 - 8 of 8 pro vyhledávání: '"Nitinkumar Satyadev Upadhyay"'
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Akademický článek
Facile Photochemical/Thermal Assisted Hydration of Alkynes Catalysed under Aqueous Media by a Chalcogen Stabilized, Robust, Economical, and Reusable Fe3Se2(CO)9 Cluster
Autor: Munsaf Ali, Avinash K. Srivastava, Nitinkumar Satyadev Upadhyay, Naveen Satrawala, Raj K. Joshi
Publikováno v: Organics, Vol 4, Iss 2, Pp 251-264 (2023)
In this report, the catalytic potential of chalcogen-stabilized iron carbonyl clusters [Fe3E2(CO)9 (E = S, Se, Te)] for the photolytic hydration of alkynes has been explored. The iron chalcogenide clusters bring excellent transformations of terminal
Externí odkaz: https://doaj.org/article/11fd1208cd9248e98f57f2363a2d697e
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5
Synthesis of isoquinolones via Rh-catalyzed C–H activation of substituted benzamides using air as the sole oxidant in water
Autor: Ryota Sato, Pratheepkumar Annamalai, Shih-Ching Chuang, Vijaykumar H. Thorat, Chien-Hong Cheng, Nitinkumar Satyadev Upadhyay
Publikováno v: Green Chemistry. 19:3219-3224
Most of the metal-catalyzed C–H activation/annulation reactions were carried out in organic solvents using expensive oxidants such as Cu(II) and Ag(I) salts. Here, we reported a new approach for a highly regioselective synthesis of isoquinolones fr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1a8a1eedc38801ae986248f66dcc770c
https://doi.org/10.1039/c7gc01221g
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6
Facile one-pot synthesis of 2,3-dihydro-1H-indolizinium derivatives by rhodium(iii)-catalyzed intramolecular oxidative annulation via C–H activation: application to ficuseptine synthesis
Autor: Jayachandran Jayakumar, Chien-Hong Cheng, Nitinkumar Satyadev Upadhyay
Publikováno v: Chemical Communications. 53:2491-2494
Various substituted indolizidinium, quinolizinium and pyrido[1,2-a]azepinium salts synthesized from benzaldehydes (or α,β-unsaturated aldehydes) and alkyne-amines catalyzed by rhodium complexes via C-H activation are demonstrated. The reaction was
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::752d8045d1d494ae5a4d1aedfe34041e
https://doi.org/10.1039/c7cc00008a
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7
Palladium-Catalyzed Selective Aryl Ring C-H Activation ofN-Acyl-2-aminobiaryls: Efficient Access to Multiaryl-Substituted Naphthalenes
Autor: Pratheepkumar Annamalai, Kou Chi Hsu, Chien-Hong Cheng, Shih-Ching Chuang, Wu Yin Chen, Selvam Raju, Nitinkumar Satyadev Upadhyay
Publikováno v: Advanced Synthesis & Catalysis. 358:3642-3648
Palladium-catalyzed cycloaromatization of N-acyl-2-aminobiaryls, through a sequence of ortho C−H bond activation/alkyne insertion/meta C−H bond activation/alkyne insertion, was developed. An efficient synthesis of multiaryl-substituted naphthalen
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3ed5faf483f57e0d19fed3e12a5b1e23
https://doi.org/10.1002/adsc.201600488
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8
Rhodium-Catalyzed Regioselective Synthesis of Isoindolium Salts from 2-Arylpyridines and Alkenes in Aqueous Medium under Oxygen
Autor: Nitinkumar Satyadev Upadhyay, Jayachandran Jayakumar, Chien-Hong Cheng
Publikováno v: Advanced Synthesis & Catalysis. 358:3381-3386
A highly regioselective synthesis of pyrido[2,1-a]isoindolium salts from 2-arylpyridines and two equivalents of electron-deficient alkenes catalyzed by rhodium is demonstrated. The reaction was carried out in aqueous medium at 110 °C using inexpensi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::643227ff7f78a547a6d86d2fc89df211
https://doi.org/10.1002/adsc.201600452
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