Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Narayanan Uma Maheswari"'
Autor:
Sivakalai Mayakrishnan, Yuvaraj Arun, Chandrasekar Balachandran, Suresh Awale, Narayanan Uma Maheswari, Paramasivan Thirumalai Perumal
Publikováno v:
ACS Omega, Vol 2, Iss 6, Pp 2694-2705 (2017)
Externí odkaz:
https://doaj.org/article/8886a948efff46a4ba9ef61b8a81b0b4
Publikováno v:
IUCrData, Vol 2, Iss 10, p x171345 (2017)
In the title compound, C13H9ClN2O5, the dihedral angle between the planes of the benzene and pyridine rings is 55.30 (13)°. The nitro group is tilted by 38.21 (10)° with respect to the mean plane of the pyridine ring. In the crystal, molecules are
Externí odkaz:
https://doaj.org/article/3410dc2e63d04983b28bcb7a1807ed84
Publikováno v:
IUCrData, Vol 2, Iss 4, p x170535 (2017)
In the title compound, C23H18O5, the two methoxy-substituted benzene rings are inclined to one another by 67.0 (2)° and to the mean plane of the 1H-isochromene ring system by 67.21 (16) and 27.61 (17)°. There is an intramolecular C—H...π interac
Externí odkaz:
https://doaj.org/article/54545bf4d2044a428e6b430a48879e27
Publikováno v:
IUCrData, Vol 2, Iss 4, p x170534 (2017)
The asymmetric unit of the title compound, C24H18N2O, comprises two crystallographically independent molecules (A and B), with slightly different conformations. In each molecule, there is an intramolecular C—H...O hydrogen bond forming an S(6) ring
Externí odkaz:
https://doaj.org/article/868959f4f60e451f9ae3ff06ec7ed407
Akademický článek
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Autor:
Paramasivan T. Perumal, Narayanan Uma Maheswari, Mahalingam Sivaraman, Sivakalai Mayakrishnan, Chandrasekar Balachandran, Shin Aoki
Publikováno v:
Synlett. 33:785-790
Privileged indole-fused phenanthridinones were synthesized by an inexpensive potassium tert-butoxide-promoted intramolecular Mizoroki–Heck-type radical cyclization. This method offers high atom- and step-economic C–C bond formation. An array of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ca901a014f1ef912836064ec05eabb6
https://doi.org/10.1055/a-1782-7150
https://doi.org/10.1055/a-1782-7150
Autor:
Devarajan Kathirvelan, Chinmoy Biswas, Tarun K. Panda, Sai Santosh Kumar Raavi, Sivakalai Mayakrishnan, Narayanan Uma Maheswari
Publikováno v:
New Journal of Chemistry. 44:1785-1794
A series of hybrid organic bipolar fluorescent aggregation-induced emission (AIE) luminogens have been synthesized with D–π–A architecture using phenanthroimidazole as a conjugate by incorporating a fluorenone moiety at the C2 position of a rigi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::143f270dea738d19d21a0c4e84c7d8ea
https://doi.org/10.1039/c9nj05226g
https://doi.org/10.1039/c9nj05226g
Autor:
Nataraj Poomathi, Narayanasamy Mathivanan, Narayanan Uma Maheswari, Ravichandran Balaji, Seeram Ramakrishna, Kalpattu K. Balasubramanian, Paramasivan T. Perumal, Veluchamy A Barathi
Publikováno v:
New Journal of Chemistry. 42:14817-14826
A facile atom economic and eco friendly protocol for the synthesis of biologically important quaternary centered C-3 functionalized oxindole derivatives, with a novel nucleus, in high yields has been demonstrated by employing 3-hydroxy-2-oxindole, is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e3391aea64d200949158d15030ff9f43
https://doi.org/10.1039/c8nj02276c
https://doi.org/10.1039/c8nj02276c
Publikováno v:
Chemical Communications. 54:11889-11892
Rhodium-catalysed decarbonylative annulation of isatoic anhydrides with alkynes through C-H activation for the synthesis of aminoisocoumarins was developed. This enables the gram-scale transformation to iodoisocoumarin which is a vital building block
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1379eaba8976e5f9b389031241466608
https://doi.org/10.1039/c8cc07167e
https://doi.org/10.1039/c8cc07167e
Autor:
Chandrasekar Balachandran, Sivakalai Mayakrishnan, Narayanan Uma Maheswari, Paramasivan T. Perumal, Y. Arun, Suresh Awale
Publikováno v:
ACS Omega, Vol 2, Iss 6, Pp 2694-2705 (2017)
ACS Omega
ACS Omega
A facile ruthenium(II)-catalyzed regiospecific C–H/O–H oxidative annulation methodology was developed to construct isochromeno[8,1-ab]phenazines. This methodology delivers various advantages, such as scope for diverse substrates, tolerance to a r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0bd43ae4cdd586a90facce6c7f8e910
https://doaj.org/article/8886a948efff46a4ba9ef61b8a81b0b4
https://doaj.org/article/8886a948efff46a4ba9ef61b8a81b0b4