Mathai George

Summary

Country: India

Publications

  1. pmc Spectrophotometric Assay of Mefenamic Acid in Tablets Using 1,4-dioxane as Solvent for Extraction
    G Mathai
    Department of Chemistry, Sacred Heart College, Thevara, Kochi 682 013, India
    Indian J Pharm Sci 72:525-6. 2010
  2. pmc Gas-phase nazarov cyclization of protonated 2-methoxy and 2-hydroxychalcone: an example of intramolecular proton-transport catalysis
    Mathai George
    Department of Chemistry, Sacred Heart College, Thevara, Cochin, Kerala, India
    J Am Soc Mass Spectrom 20:805-18. 2009
  3. pmc The Role of Methoxy Group in the Nazarov Cyclization of 1,5-bis-(2-Methoxyphenyl)-1,4-Pentadien-3-one in the Gas Phase and Condensed Phase
    June Cyriac
    Department of Chemistry, Sacred Heart College, Thevara, Cochin, Kerala, India
    J Am Soc Mass Spectrom 25:398-409. 2014
  4. pmc Protonated nitro group as a gas-phase electrophile: experimental and theoretical study of the cyclization of o-nitrodiphenyl ethers, amines, and sulfides
    Joseph T Moolayil
    Department of Chemistry, Sacred Heart College Thevara, Cochin, Kerala, India
    J Am Soc Mass Spectrom 18:2204-17. 2007

Collaborators

  • June Cyriac
  • Daryl Giblin
  • Michael L Gross
  • G Mathai
  • Joseph T Moolayil
  • Justin Paulose
  • Ragampeta Srinivas
  • Marupaka Ramesh
  • V S Sebastian
  • J T Moolayil
  • K B Jose
  • R Srinivas
  • Amber Russell

Detail Information

Publications4

  1. pmc Spectrophotometric Assay of Mefenamic Acid in Tablets Using 1,4-dioxane as Solvent for Extraction
    G Mathai
    Department of Chemistry, Sacred Heart College, Thevara, Kochi 682 013, India
    Indian J Pharm Sci 72:525-6. 2010
    ..The method was tested by assay of six different commercial tablets containing mefenamic acid...
  2. pmc Gas-phase nazarov cyclization of protonated 2-methoxy and 2-hydroxychalcone: an example of intramolecular proton-transport catalysis
    Mathai George
    Department of Chemistry, Sacred Heart College, Thevara, Cochin, Kerala, India
    J Am Soc Mass Spectrom 20:805-18. 2009
    ..The proposed mechanisms for cyclization and fragmentation are supported by high-mass resolving power data, tandem mass spectra, deuterium labeling, and molecular orbital calculations...
  3. pmc The Role of Methoxy Group in the Nazarov Cyclization of 1,5-bis-(2-Methoxyphenyl)-1,4-Pentadien-3-one in the Gas Phase and Condensed Phase
    June Cyriac
    Department of Chemistry, Sacred Heart College, Thevara, Cochin, Kerala, India
    J Am Soc Mass Spectrom 25:398-409. 2014
    ..Replacement of the 2-methoxy group with an OH shows that the cyclization followed by aryl migration and elimination of phenol occurs from the [M + H](+) ion at low energy similar to that for 1. ..
  4. pmc Protonated nitro group as a gas-phase electrophile: experimental and theoretical study of the cyclization of o-nitrodiphenyl ethers, amines, and sulfides
    Joseph T Moolayil
    Department of Chemistry, Sacred Heart College Thevara, Cochin, Kerala, India
    J Am Soc Mass Spectrom 18:2204-17. 2007
    ..Using a mass spectrometer as a reaction vessel, we demonstrate that, upon protonation, a nitro group becomes an electrophile and participates in cyclization reactions in the gas phase...