Magnetically separable Fe3O4–SO3H nanoparticles as an efficient solid acid support for the facile synthesis of two types of spiroindole fused dihydropyridine derivatives under solvent free conditions

Silica sulfuric acid: an efficient reusable heterogeneous solid support for the synthesis of 3H,3′H-spiro[benzofuran-2,1′isobenzofuran]-3,3′-diones under solvent-free condition

(2014) Kamalesh Debnath et al.   TETRAHEDRON LETTERS

Facile cyclization in the synthesis of highly fused diaza cyclooctanoid compounds using retrievable nano magnetite-supported sulfonic acid catalyst

(2014) Sudipta Pathak et al.   RSC Advances

Multicomponent, one-pot and expeditious synthesis of highly substituted new spiro[indolo-3,10′-indeno[1,2-b]quinolin]-2,4,11′-triones under micellar catalytic effect of CTAB in water

(2014) Animesh Mondal et al.   RSC Advances

Silica sulfuric acid: a reusable solid catalyst for one pot synthesis of densely substituted pyrrole-fused isocoumarins under solvent-free conditions

(2013) Sudipta Pathak et al.   Beilstein Journal of Organic Chemistry

Magnetite-supported sulfonic acid: a retrievable nanocatalyst for the Ritter reaction and multicomponent reactions

(2013) Manoj B. Gawande et al.   GREEN CHEMISTRY

A simple and efficient synthesis of 3,4-dihydropyrimidin-2-(1H)-ones via Biginelli reaction catalyzed by nanomagnetic-supported sulfonic acid

(2013) Eskandar Kolvari et al.   TETRAHEDRON

Facile synthesis of ninhydrin and isatin based hydrazones in water using PEG-OSO3H as a highly efficient and homogeneous polymeric acid-surfactant combined catalyst

(2013) Kamalesh Debnath et al.   TETRAHEDRON LETTERS

AcOH catalyzed three-component synthesis of spirooxindole derivatives

(2012) Peng Hui Yang et al.   RESEARCH ON CHEMICAL INTERMEDIATES

Synthesis of 5-aryl-3H-[1,3,4]oxadiazol-2-ones from N′-(chloro-aryl-methylene)-tert-butylcarbazates using basic alumina as an efficient and recyclable surface under solvent-free condition

(2012) Kamalesh Debnath et al.   TETRAHEDRON LETTERS

Rhodium(II) acetate-catalyzed stereoselective synthesis, SAR and anti-HIV activity of novel oxindoles bearing cyclopropane ring

(2011) Garima Kumari et al.   EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY

Identification of Thiazolidinones Spiro-Fused to Indolin-2-ones as Potent and Selective Inhibitors of theMycobacterium tuberculosisProtein Tyrosine Phosphatase B

(2010) Viktor V. Vintonyak et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Magnetically Separable Nanocatalysts: Bridges between Homogeneous and Heterogeneous Catalysis

(2010) Sankaranarayanapillai Shylesh et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Spirotetrahydro β-Carbolines (Spiroindolones): A New Class of Potent and Orally Efficacious Compounds for the Treatment of Malaria

(2010) Bryan K. S. Yeung et al.   JOURNAL OF MEDICINAL CHEMISTRY

Design, Synthesis, and SAR of New Pyrrole-Oxindole Progesterone Receptor Modulators Leading to 5-(7-Fluoro-3,3-dimethyl-2-oxo-2,3-dihydro-1H-indol-5-yl)-1-methyl-1H-pyrrole-2-carbonitrile (WAY-255348)

(2008) Andrew Fensome et al.   JOURNAL OF MEDICINAL CHEMISTRY