A simple method is described for the preparation of 3-aryl-2-thioxo-4(3H)-quinazolinones (4) by the reaction of anthranilic acids and ammonium or triethylammonium N-aryl-dithiocarbamates in ethanol. The method is also applicable to the preparation of 3-ethyl-2-thioxo-4(3H)-quinazolinone.
机构:
Cent Drug Res Inst, Div Chem Technol, Lucknow 226001, Uttar Pradesh, IndiaCent Drug Res Inst, Div Chem Technol, Lucknow 226001, Uttar Pradesh, India
Bhat, BA
Sahu, DP
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机构:
Cent Drug Res Inst, Div Chem Technol, Lucknow 226001, Uttar Pradesh, IndiaCent Drug Res Inst, Div Chem Technol, Lucknow 226001, Uttar Pradesh, India