Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Prakash Kannaboina"'
Autor:
Prakash Kannaboina, Parthasarathi Das
Publikováno v:
Handbook of CH‐Functionalization. :1-26
Publikováno v:
Asian Journal of Organic Chemistry. 10:251-256
Publikováno v:
Chemical Communications. 56:11749-11762
The 7-azaindole building block has attracted considerable interest in the field of drug discovery in the current portfolio. Because of their powerful medicinal properties, the development of synthetic, elegant techniques for the functionalization of
Publikováno v:
Asian Journal of Organic Chemistry. 6:534-543
A new method has been developed for the divergent synthesis of two different pyran-annulated polyheterocycles, indeno[1,2,3-de]chromenes, and pyrano[2,3-c]carbazoles from a common intermediate. The indeno[1,2,3-de]chromenes class of compounds has bee
Publikováno v:
Organic & Biomolecular Chemistry. 15:5457-5461
An efficient Ru(ii)-catalyzed site-selective C-H arylation of 2-pyridones and 1-isoquinolinones was achieved with boronic acids by using pyridine as a directing group. The developed protocol is general and provides rapid access to an array of C6-aryl
Autor:
Prasad V. Bharatam, Karampoori Anil Kumar, Prakash Kannaboina, Parthasarathi Das, Chaitanya K. Jaladanki
Publikováno v:
ChemistrySelect. 1:601-607
A general and mild strategy has been developed for the selective N-arylation of tautomerizable heterocycles with a series of arylboronic acids, using CuOTf as the catalyst and 1,10-Phen as the ligand, under base free conditions at ambient atmosphere.
Publikováno v:
Organic Letters. 18:900-903
A previously unexplored palladium-catalyzed C-3 selective alkenylation of 7-azaindoles, performed in the presence of Pd(OAc)2 as the catalyst, PPh3 as the ligand, Cu(OTf)2 as an oxidative cocatalyst, and molecular oxygen (O2) as the terminal oxidant
Autor:
Prakash Kannaboina, Devendra K. Dhaked, Parthasarathi Das, Ram A. Vishwakarma, K. Anil Kumar, Prasad V. Bharatam
Publikováno v:
Organic & Biomolecular Chemistry. 13:1481-1491
Cu(II)-catalyzed cross-coupling of various aryl boronic acids with 5 and 6-amino indazoles has resulted in (arylamino)-indazoles. These (arylamino)-indazoles have been utilized in synthesizing medicinally important pyrazole-fused carbazoles via Pd(II
Publikováno v:
Chemical communications (Cambridge, England). 53(68)
A palladium-catalyzed aminocarbonylation of halo-substituted 7-azaindoles utilizing CHCl3 as the carbonyl source has been developed for the straightforward incorporation of an amide functional group. The protocol was extended to other heteroarenes su
Publikováno v:
Organicbiomolecular chemistry. 14(38)
A complementary set of Ni- and Cu-based catalyst systems for the selective N-arylation of 2-aminobenzimidazoles have been developed. Selective N-arylation of the primary amine (C-NH2) group was achieved by Ni-catalyzed, boronic acid promoted cross-co