Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Swastik Karmakar"'
Publikováno v:
Organic Chemistry Frontiers. 10:1746-1753
The stable effect of tris(pyrazolyl)borate ligand and 1,2-diaminocyclohexane ligand on the silver metal center was used respectively, to realize the efficient N–H bond insertion reaction of carbene to aliphatic amines and aromatic amines.
Publikováno v:
Chemical Communications. 58:13783-13786
An efficient and practical method for the synthesis of benzyl azides from carbonyl compounds and commercially available TMSN3 was developed. The synthetic advantages are illustrated by gram-scale reaction and the synthesis of drug-like molecules.
Publikováno v:
ChemCatChem. 15
Publikováno v:
Chemical communications (Cambridge, England).
Benzylic azides, an important class of active organic synthons, were synthesized in high yields from the easily accessible
Publikováno v:
New Journal of Chemistry. 45:16112-16118
A silver(I) catalyzed domino imination-intramolecular biheterocyclization-aromatization cascade has been developed to construct 2-aryl/-heteroaryl dihydrofuroquinolines in moderate to good yield using an aldehyde and unprotected 4-(2-aminophenyl)but-
Publikováno v:
ChemistrySelect. 4:11926-11929
This work was supported by a grant from the National Research Foundation of Korea (NRF), funded by the Korean Government, through Individual Research, Mid-career Research Program (NRF2017R1 A2B4003211).
Publikováno v:
Organic Letters. 24:2269-2269
Publikováno v:
Organic Letters. 18:5200-5203
An efficient synthesis of symmetrical 3, 3'-bisindolylarylmethanes with various substituents on the indole moiety has been developed by Ag(I)-catalyzed cycloisomerization and an deoxygenative addition sequence on o-alkynylanilines and aryl aldehydes.
Publikováno v:
Synthesis. 2009:194-198
The rapid synthesis of various carbocycle-fused highly substitutedcyclopentenones is described to occur via tandem 1,2-shift of pivaloatefollowed by carbocyclization under the catalysis of the hydratedgold catalyst NaAuCl 4 ˙2H 2 O.
Autor:
Swastik Karmakar, Chang Ho Oh
Publikováno v:
The Journal of Organic Chemistry. 74:370-374
Atom-economical syntheses of isomeric 5-acetoxy-2-alkyl-2-cyclopentenones (2) and acetoxymethyl alpha-alkylallenones (3) have been described via Au-catalyzed hydrative rearrangement of 1,1-diethynylcarbinol acetates (1). In anhydrous condition, Au(I)