Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Raghunath Bag"'
Publikováno v:
ACS Omega, Vol 2, Iss 9, Pp 6278-6290 (2017)
Externí odkaz:
https://doaj.org/article/6b2ba08bd60e45f9ab01ed5784f549b2
Publikováno v:
Handbook of CH‐Functionalization. :1-65
Autor:
Nagendra Sharma, Raghunath Bag
Chalcogenated amino acids/peptides are recently being considered therapeutic drug candidates. This report describes a handy synthetic method for the Pd-catalyzed picolinamide directed site-selective C(sp2)-H chalcogenation of - amino acids and pep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7542f2b26a3396f70da5a8ce306592e
https://doi.org/10.26434/chemrxiv-2022-rd3qj
https://doi.org/10.26434/chemrxiv-2022-rd3qj
Autor:
Tanumay Sarkar, Sundaravel Vivek Kumar, Raghunath Bag, Tharmalingam Punniyamurthy, Kangkan Talukdar
Publikováno v:
Journal of Chemical Sciences. 131
A BINOL accelerated Ru-catalyzed ortho-selective C-H coupling of arenes tethered to 7-azaindoles is described with disulfides and diselenides under air. The thioether can be readily oxidized to sulfoxide and sulfone. The use of less expensive Ru-cata
Publikováno v:
ChemistrySelect. 3:6152-6155
Publikováno v:
ACS Omega
ACS Omega, Vol 2, Iss 9, Pp 6278-6290 (2017)
ACS Omega, Vol 2, Iss 9, Pp 6278-6290 (2017)
Metal-free dioxygenation of alkenes with tert-butyl nitrite and N-hydroxylamines (N-hydroxyphthalimide, N-hydroxybenzotriazole, and N-hydroxysuccinimide) is described to produce β-aminoxy nitrate esters using air as the oxidant. These organic nitrat
Publikováno v:
European Journal of Organic Chemistry. 2017:5424-5438
Dioxygenation of olefins is a valuable synthetic tool for the construction of 1,2-diols and α-oxygenated ketones. The use of radical approaches to achieve this direct 1,2-difunctionalization has recently made considerable progress. The metal-catalyz
Publikováno v:
Organicbiomolecular chemistry. 17(8)
An efficient Rh-catalyzed oxidative C–H activation/annulation of 2-arylquinoxalines with internal alkynes is described using Cu(OAc)2·H2O and AgBF4 to afford a diverse variety of substituted quarternary ammonium salts at room temperature. The mech
Autor:
Dinabandhu Sar, Subhendu Sekhar Bag, Raghunath Bag, Tharmalingam Punniyamurthy, Afsana Yashmeen
Publikováno v:
Organic Letters. 17:5308-5311
Vanadium-catalyzed C-N dehydrogenative cross-coupling of alkenyl hydrazones leading to functionalized pyrazoles is described in a 1:1 mixture of toluene/H2O using air as the terminal oxidant. Significant practical features include use of the commerci
Autor:
Ramesh Chandra Deka, Debajyoti Bhattacharjee, Dinabandhu Sar, Raghunath Bag, Tharmalingam Punniyamurthy
Publikováno v:
The Journal of Organic Chemistry. 80:6776-6783
Iron(III)-mediated radical nitration of bisarylsulfonyl hydrazones is described. In this protocol, the nontoxic and inexpensive Fe(NO3)3·9H2O plays a dual role as catalyst as well as nitro source. The mild conditions, broad substrate scope, and the