Baby Viswambharan

Synthesis of Novel Functionalized 3-Spiropyrrolizidine and 3-Spiropyrrolidine Oxindoles from Baylis−Hillman Adducts of Isatin and Heteroaldehydes with Azomethine Ylides via [3+2]-Cycloaddition

Ponnusamy Shanmugam, Baby Viswambharan, Suchithra Madhavan · Organic Letters · 2007 · 143 citations

Pyridine Core Activation <i>via</i> 1,5-Electrocyclization of Vinyl Pyridinium Ylides Generated from Bromo Isomerized Morita−Baylis−Hillman Adduct of Isatin and Pyridine: Synthesis of 3-Spirodihydroindolizine Oxindoles

Baby Viswambharan, Kodirajan Selvakumar, Suchithra Madhavan et al. · Organic Letters · 2010 · 91 citations

Engineering, Heterocyclic, Core Structure +9

A facile and efficient synthesis of highly functionalised 3,3′-dispiropyrrolidine- and 3,3′-dispiropyrrolizidine bisoxindoles via [3+2] cycloaddition

Ponnusamy Shanmugam, Baby Viswambharan, Kodirajan Selvakumar et al. · Tetrahedron Letters · 2008 · 59 citations

Combinatorial Chemistry, Engineering, Organic Chemistry +6

Synthesis of functionalized 3-spirocyclopropane-2-indolones from isomerised Baylis–Hillman adducts of isatin

Ponnusamy Shanmugam, Vadivel Vaithiyanathan, Baby Viswambharan · Tetrahedron · 2006 · 56 citations

Engineering, Isomerised Baylis–hillman Adducts, Organic Chemistry +4

Synthesis and Catalytic Properties of 4-Aryl-2,3-dihydro-4<i>H</i>-pyrimido[2,3-<i>b</i>]benzothiazoles for Asymmetric Acyl or Carboxyl Group Transfer Reactions

Baby Viswambharan, Tatsuya Okimura, Satoko Suzuki et al. · The Journal of Organic Chemistry · 2011 · 52 citations

Engineering, Organic Chemistry, Chemistry +18