Nayeem Ahmed

Sulphated silica tungstic acid as a highly efficient and recyclable solid acid catalyst for the synthesis of tetrahydropyrimidines and dihydropyrimidines

Nayeem Ahmed, Zeba N. Siddiqui · Journal of Molecular Catalysis A Chemical · 2014 · 45 citations

Chemical Engineering, Catalytic Application, Engineering +6

Nano Fibrous Silica Sulphuric Acid as an Efficient Catalyst for the Synthesis of β-Enaminone

Zeba N. Siddiqui, Kulsum Khan, Nayeem Ahmed · Catalysis Letters · 2014 · 43 citations

Chemical Engineering, Engineering, Organic Chemistry +5

Cerium Supported Chitosan as an Efficient and Recyclable Heterogeneous Catalyst for Sustainable Synthesis of Spiropiperidine Derivatives

Nayeem Ahmed, Zeba N. Siddiqui · ACS Sustainable Chemistry & Engineering · 2015 · 41 citations

Chemical Engineering, Novel Organocatalysts, Engineering +11

Highly efficient solvent-free synthesis of novel pyranyl pyridine derivatives via β-enaminones using ZnO nanoparticles

Zeba N. Siddiqui, Nayeem Ahmed, Farheen Farooq et al. · Tetrahedron Letters · 2013 · 28 citations

Chemical Engineering, Zno Nanoparticles, Engineering +5

Silica molybdic acid catalysed eco-friendly three component synthesis of functionalised tetrazole derivatives under microwave irradiation in water

Nayeem Ahmed, Zeba N. Siddiqui · RSC Advances · 2015 · 25 citations

Engineering, Silica Molybdic Acid, Green Chemistry +16