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5 results on '"P. Satish Goud"'

2. Synthesis of Tenidap: An Improved Process for the Preparation of 5-Chloro-2-oxindole-1-carboxamide

Author

G. Om Reddy, M. Sailaja, P. Rajender Kumar, Stefi V. Raju, P. Satish Goud, and and M. R. Sarma

Subjects
medicine.drug_class, Organic Chemistry, 2-oxindole, Carboxamide, Combinatorial chemistry, Acetic anhydride, chemistry.chemical_compound, chemistry, Scientific method, Reagent, medicine, Trifluoroacetic acid, Organic chemistry, Tenidap, Physical and Theoretical Chemistry, Sodium acetate, medicine.drug
Abstract

An industrially viable, robust, and economic process is developed for Tenidap sodium and its important intermediate 5-chloro-2-oxindole-1-carboxamide. Use of inorganic cyanates, in place of organic isocyanates, makes the process simple and commercially viable. The advantage of using acetic anhydride and sodium acetate over reported reagents such as trifluoroacetic acid and its anhydride on industrial scale is described. Drastic reduction of DMAP in the final step and overall improvement of yields makes the process economical.

Published
2000
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5. Tetrahydropyranylation of alcohols, thiols, phenols and primary amines catalysed by magnesium halide

Author

P. Mallikarjun Goud, K. Ramasubba Reddy, D. Ashok, and P. Satish Goud

Subjects
chemistry.chemical_compound, Primary (chemistry), chemistry, Magnesium, Organic chemistry, Halide, chemistry.chemical_element, General Chemistry, Phenols, Catalysis
Abstract

An efficient and mild method for tetrahydropyranylation of thiols, alcohols, phenols and primary amines using a catalytic amount of MgX 2 (X = Br or I) is described; due to the neutral conditions employed, the method is also compatible with compounds which possess acid-sensitive functional groups.

Published
2003
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