Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Chandra Sekhar Vasam"'
Publikováno v:
ACS Omega, Vol 3, Iss 12, Pp 17646-17655 (2018)
Externí odkaz:
https://doaj.org/article/df5a61fe80ae475083aa2acf7c6e6e68
Autor:
Narasimha Swamy Thirukovela, Ramesh Balaboina, Chandra Sekhar Vasam, Ravindhar Vadde, Shravankumar Kankala
Publikováno v:
Tetrahedron. 75:2637-2641
A first example of silver(I) N-heterocyclic carbene (Ag(I)-NHC) catalyzed on-water synthesis of primary amides by hydration of nitriles under mild reaction conditions is described. This organometallic catalytic system has excellent tolerance for vari
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39e9fda10f170672c913f28d289c8177
https://doi.org/10.1016/j.tet.2019.03.017
https://doi.org/10.1016/j.tet.2019.03.017
Autor:
Ravinder Vadde, Shravankumar Kankala, Narasimha Swamy Thirukovela, Chandra Sekhar Vasam, Surendar Reddy Bathula, Sreekantha B. Jonnalagadda, Ramesh Balaboina, Sridhar Balasubramanian
Publikováno v:
ChemistrySelect. 4:2562-2567
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed94474c95c06615cddad4281bdcc7c7
https://doi.org/10.1002/slct.201803507
https://doi.org/10.1002/slct.201803507
Publikováno v:
Tetrahedron Letters. 60:847-851
We present a base free method for amide bond construction via oxidative coupling of alcohols with amines catalyzed by Silver(I) N-heterocyclic carbenes (Ag(I)-NHCs) and mediated by tert-butyl hydroperoxide (TBHP) in ethanol. The results of controlled
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aac4b102d672e3aa34f58387d708b8cc
https://doi.org/10.1016/j.tetlet.2019.02.024
https://doi.org/10.1016/j.tetlet.2019.02.024
Autor:
Vinayak Botla, Ravinder Vadde, Ramesh Balaboina, Sreekantha B. Jonnalagadda, Chandra Sekhar Vasam, Narasimha Swamy Thirukovela
Publikováno v:
Catalysis Science & Technology. 9:6471-6481
Catalyst efficacy of in situ generated Pd-nanoparticles (PdNPs) in the regioselective one-pot synthesis of 3,5-di & 3,4,5-trisubstituted pyrazoles and 3,5-disubstituted isoxazoles in environmentally benign PEG-400/H2O medium, which involves the seque
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb027ebf9dbd70244f02fb22e547bea6
https://doi.org/10.1039/c9cy01335k
https://doi.org/10.1039/c9cy01335k
Publikováno v:
Tetrahedron Letters. 59:3749-3752
An effective green synthesis of α-ketoamides was developed for the first time in water via gold nanoparticles (AuNPs) catalyzed aerobic oxidative cross-dehydrogenative coupling of secondary amines with phenylglyoxals with a broad substrate scope.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70615084190182bd3c94012b450b1e88
https://doi.org/10.1016/j.tetlet.2018.08.042
https://doi.org/10.1016/j.tetlet.2018.08.042
Autor:
Shravankumar Kankala, Mohan Rao Gangula, Ravinder Vadde, Ranjith Kumar Kankala, Narasimha Swamy Thirukovela, Chandra Sekhar Vasam, Suresh Paidakula
Publikováno v:
Medicinal Chemistry Research. 26:2190-2195
Some new 1,4-disubstituted-sulfonyl-1,2,3-triazoles (3a–f, 5a–h, 7a–d, and 9a–e) were regioselectively synthesized in high yields by Cu(I) catalyzed 1,3-dipolar cycloaddition (DC) reaction of p-acetamidobenzenesulfonyl azide (p-ABSA) with ter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a2f7f0c2640b2d204e9fdb901cece74e
https://doi.org/10.1007/s00044-017-1926-6
https://doi.org/10.1007/s00044-017-1926-6
Autor:
Narasimha Swamy Thirukovela, Ravinder Vadde, Sreekantha B. Jonnalagadda, Ramesh Balaboina, Shravankumar Kankala, Chandra Sekhar Vasam, Sarangapani Modem
Publikováno v:
European Journal of Organic Chemistry. 2016:4635-4642
A stoichiometric C–H activation/decarbonylation of salicylaldehyde by [(η6-p-cymene)RuCl2]2 gave a carbonyl derivative [(η6-p-cymene)RuCl(CO)(Ph-O)] (1) without the use of CO gas. A variety of polar phosphines were then incorporated into compound
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e287120646e2e3f74507dd695364874e
https://doi.org/10.1002/ejoc.201600809
https://doi.org/10.1002/ejoc.201600809
Autor:
Ranjith Kumar Kankala, Bhasker Juluru, Sreekantha B. Jonnalagadda, Ravinder Vadde, Chia-Hung Lee, Suresh Paidakula, Chandra Sekhar Vasam, Shravankumar Kankala
Publikováno v:
RSC Advances. 5:97314-97319
A series of new 4β-benzoxazolepodophyllotoxin compounds (9a–j) were prepared and screened for cytotoxicity against four human tumour cell lines (HeLa, DU-145, A-159 and MCF-7). Among these compounds, 9a, 9c, 9f and 9i have shown more potent antica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa9c96a6c0b8207b262ddbab3a3a8332
https://doi.org/10.1039/c5ra15366b
https://doi.org/10.1039/c5ra15366b
Publikováno v:
RSC Advances. 5:76582-76587
A nucleophilic organo N-heterocyclic carbene (NHC) catalysed click-type fast domino addition of allenyl-MgBr to aryl nitrile oxides to produce 5-butynylisoxazoles with excellent selectivity and good yields is reported. The unwanted protonation and su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35c4af78042d9596edbcaf68685b3555
https://doi.org/10.1039/c5ra11947b
https://doi.org/10.1039/c5ra11947b