Usha Ranjan Ghatak

Indian Association for the Cultivation of Science 
Organic chemistry
"Usha Ranjan Ghatak"

(1931 - 2005)

Made substantial contributions to methods for stereochemically controlled organic synthesis, notably in the areas of polycarbocyclic diterpenoids and bridged-ring compounds related to bioactive natural products.

Head of the IACS Organic Chemistry Department (1977-1989). IACS Director (1989-1996). Fellow of the Indian National Science Academy (FNA, 1980)

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Kovacs J, Kalita C, Ghatak UR. (1972) Synthesis of polyglutathione, polyasparthione, and related sequential polypeptides. The Journal of Organic Chemistry. 37: 30-4
Kovacs J, Kapoor A, Ghatak UR, et al. (1972) Synthesis of poly -glutamyl- -aminobutyric acids and their reactivity with antiserum against Bacillus anthracis polypeptide. Biochemistry. 11: 1953-8
Kovacs J, Mayers GL, Johnson RH, et al. (1970) Racemization of amino acid derivatives. Rate of racemization and peptide bond formation of cysteine active esters. The Journal of Organic Chemistry. 35: 1810-5
Kovacs J, Schmit GN, Ghatak UR. (1968) Polypeptides with known repeating sequences of amino acids. Comparison of several methods used for the synthesis of poly-gamma-D- and L-glutamylglycine and investigation of its serological reaction with antianthrax immune serum. Biopolymers. 6: 817-36
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