Veeramanoharan Ashokkumar

Ultrasonic assisted dimeric cinchona based chiral phase transfer catalysts for highly enanatioselective synthesis of epoxidation of α,β-unsaturated ketones

Jayaraman Sivamani, Veeramanoharan Ashokkumar, Velu Sadhasivam et al. · RSC Advances · 2014 · 27 citations

Chemical Engineering, Novel Organocatalysts, Engineering +14

Cinchona alkaloid-based chiral catalysts act as highly efficient multifunctional organocatalysts for the asymmetric conjugate addition of malonates to nitroolefins

Veeramanoharan Ashokkumar, Ayyanar Siva · Organic & Biomolecular Chemistry · 2015 · 24 citations

Room Temperature, Novel Organocatalysts, Engineering +13

One-pot synthesis of α,β-epoxy ketones through domino reaction between alkenes and aldehydes catalyzed by proline based chiral organocatalysts

Veeramanoharan Ashokkumar, Ayyanar Siva · Organic & Biomolecular Chemistry · 2017 · 22 citations

Enantioselective synthesis of dihydroquinazolinone derivatives catalyzed by a chiral organocatalyst

Ayyanar Siva, P. Vijaya, Madhappan Mariyappan et al. · New Journal of Chemistry · 2017 · 20 citations

High Yields, Novel Organocatalysts, Effective Chiral Organocatalyst +10

A highly enantioselective asymmetric Darzens reaction catalysed by proline based efficient organocatalysts for the synthesis of di- and tri-substituted epoxides

Veeramanoharan Ashokkumar, Ayyanar Siva, R. Chidambaram · Chemical Communications · 2017 · 20 citations

Asymmetric Catalysis, Chemical Engineering, Enantioselective Synthesis +14