Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Prasanjit, Ghosh"'
Autor:
Prasanjit Ghosh, Sajal Das
Publikováno v:
SynOpen, Vol 04, Iss 02, Pp 33-37 (2020)
Abstract Pd-NHC catalysed direct sulfenylation and selenylation of 3-iodo-4-quinolones has been developed. This protocol provides an alternative route for the construction of ipso-C–S and C–Se bond formation in 4-quinolones under aerobic conditio
Externí odkaz:
https://doaj.org/article/1ffdbaaac75448f398697c5487c1edb0
Publikováno v:
Organic & Biomolecular Chemistry. 20:208-218
An unique N,O-bidentate ligand 6-oxo-1,6-dihydro-pyridone-2-carboxylic acid dimethylamide (L1) catalyzed direct C(sp2)−H (intra/intermolecular)arylation of unactivated arenes has been developed to expedite the access of (Het)biaryl scaffolds under
Publikováno v:
Synthesis. 54:1043-1054
The N–O heterocycles are biologically relevant scaffolds and versatile building blocks in contemporary organic synthesis. In this short review, we showcase the involvement and elevation of various cycloaddition strategies towards the production of
Publikováno v:
The Chemical Record. 21:3795-3817
Transition-metal-catalyzed direct transformation of inert C-H bond has revolutionized the arsenal of main-stream organic synthesis, providing a new upfront to forge structurally enriched and biologically relevant scaffolds in a step- and atom-economi
Publikováno v:
Advanced Synthesis & Catalysis. 363:2148-2156
Publikováno v:
Organic & Biomolecular Chemistry. 19:2146-2167
In modern organic synthesis, the execution of reactions in the absence of expensive transition metals has received significant attention from the view-point of green chemistry and sustainable development. As a consequence, the combination of MI-TBHP
Autor:
Prasanjit Ghosh, Sajal Das
Publikováno v:
Organic & Biomolecular Chemistry. 19:7949-7969
Indole and its congeners are ubiquitous nitrogen-containing organic scaffolds present in a plethora of natural products, marketed drugs, and other organic functional molecules. Recent years have witnessed tremendous advances in the diversification of
Publikováno v:
RSC Advances. 11:10258-10263
An expeditious metal free C-3 chalcogenation of 4H-pyrido[1,2-a]pyrimidin-4-one has been devised to synthesize diversely orchestrated 3-ArS/ArSe derivatives in high yields (up to 95%). This operationally simple reaction proceeds under mild reaction c
Publikováno v:
Organic & Biomolecular Chemistry. 19:360-364
Palladium catalyzed arylation of the inert β-C(sp2)–H bond of carboxylic acid derivatives is reported herein for the first time utilizing 8-aminoimidazo[1,2-a]pyridine (AIP) as an efficacious and new inbuilt 6,5-fused bicyclic removable directing
Publikováno v:
Organic & Biomolecular Chemistry. 19:1604-1609
We demonstrate herein the first example of a palladium(II) catalyzed regioselective ortho-C(sp2)–H arylation in aqueous medium (a sustainable solvent) utilizing 8-AIP (8-aminoimidazo[1,2-a]pyridine) as a promising and removable bidentate directing