Atish Chandra

Copper-free Sonogashira coupling of 2-chloroquinolines with phenyl acetylene and quick annulation to benzo[b][1,6]naphthyridine derivatives in aqueous ammonia

Atish Chandra, Bhawana Singh, S. Upadhyay et al. · Tetrahedron · 2008 · 96 citations

Copper-free Sonogashira Coupling, Chemical Engineering, Cross-coupling Reaction +7

Synthesis of diastereomeric 2,4-disubstituted pyrano[2,3-b]quinolines from 3-formyl-2-quinolones through O–C bond formation via intramolecular electrophilic cyclization

Mrityunjay Singh, Atish Chandra, Bhawana Singh et al. · Tetrahedron Letters · 2007 · 66 citations

Organic Chemistry, Stereoselective Synthesis, Heterocycle Chemistry +5

Copper-Free Palladium-Catalyzed Sonogashira Coupling−Annulation: Efficient One-Pot Synthesis of Functionalized Pyrano[4,3-<i>b</i>]quinolines from 2-Chloro-3-formylquinolines

Atish Chandra, Bhawana Singh, Ranjana S. Khanna et al. · The Journal of Organic Chemistry · 2009 · 56 citations

Cross-coupling Reaction, Engineering, Pd-catalyzed Methodology +11

Base-free amination of BH acetates of 2-chloroquinolinyl-3-carboxaldehydes: a facile route to the synthesis of N-substituted-1,2-dihydrobenzo[b][1,8]naphthyridines

Bhawana Singh, Atish Chandra, Radhey M. Singh · Tetrahedron · 2011 · 27 citations

Heterocyclic, Biochemistry, Facile Route +6

Base-free NIS promoted electrophilic cyclization of alkynes: an efficient synthesis of iodo substituted pyrano[4,3-b]quinolines

Bhawana Singh, Atish Chandra, Seema Singh et al. · Tetrahedron · 2010 · 26 citations

Engineering, Heterocyclic, Base-free Nis +7