John Kallikat Augustine

Propylphosphonic anhydride (T3P®): an efficient reagent for the one-pot synthesis of 1,2,4-oxadiazoles, 1,3,4-oxadiazoles, and 1,3,4-thiadiazoles

John Kallikat Augustine, Veeramani Vairaperumal, Sharmila Narasimhan et al. · Tetrahedron · 2009 · 107 citations

Engineering, Diversity-oriented Synthesis, One-pot Synthesis +7

An efficient catalytic method for the Beckmann rearrangement of ketoximes to amides and aldoximes to nitriles mediated by propylphosphonic anhydride (T3P®)

John Kallikat Augustine, Rajesha Kumar, Agnès Bombrun et al. · Tetrahedron Letters · 2010 · 106 citations

Asymmetric Catalysis, Enantioselective Synthesis, Engineering +10

PTSA−ZnCl₂: An Efficient Catalyst for the Synthesis of 1,2,4-Oxadiazoles from Amidoximes and Organic Nitriles

John Kallikat Augustine, Vani Akabote, Shrivatsa Ganapati Hegde et al. · The Journal of Organic Chemistry · 2009 · 96 citations

Mild Catalyst, Chemical Engineering, Engineering +9

An efficient one-pot synthesis of coumarins mediated by propylphosphonic anhydride (T3P) via the Perkin condensation

John Kallikat Augustine, Agnès Bombrun, Balakrishna Ramappa et al. · Tetrahedron Letters · 2012 · 82 citations

Natural Product Synthesis, Natural Sciences, Diversity-oriented Synthesis +8

<i>gem</i>-Dibromomethylarenes:  A Convenient Substitute for Noncommercial Aldehydes in the Knoevenagel−Doebner Reaction for the Synthesis of α<i>,</i>β-Unsaturated Carboxylic Acids

John Kallikat Augustine, Y. Arthoba Naik, Ashis Baran Mandal et al. · The Journal of Organic Chemistry · 2007 · 60 citations

Convenient Substitute, Aldehyde Equivalents, Beta-unsaturated Carboxylic Acids +12