Radhey M. Singh

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

Vilsmeier-haack reagent : A facile synthesis of 2 -chloro -3 -formylquinolines from n-arylacetamides and transformation into different functionalities

Ambika Srivastava, Radhey M. Singh · Indian Journal of Chemistry Section B-organic Chemistry Including Medicinal Chemistry · 2005 · 54 citations

N-arylacctamides Bearing Electron, Formyl Group, Vilsmeier-haack Reagent +11

Vilsmeier—Haack Reagent: A Facile Synthesis of 2‐Chloro‐3‐formylquinolines from N‐Arylacetamides and Transformation into Different Functionalities.

Ambika Srivastava, Radhey M. Singh · ChemInform · 2005 · 39 citations

Abstract Algebra, Engineering, Abstract Analysis +11