A new process for the preparation of 3-(1H-tetrazol-5-yl)-4(3H)-quinazolinones from anthranilic acid derivatives is described herein. Additional reactants used in the process are 4-aminotetrazole and a trialkoxymethane or the reaction can be carried out using the imidic ester obtained from these two compounds.
本文介绍了一种从
蒽醌酸衍
生物制备3-(
1H-四唑-5-基)-4(3H)-
喹唑啉酮的新工艺。该工艺中使用的附加反应物为4-
氨基
四唑和三烷氧基
甲烷,或者可以使用从这两种化合物得到的亚烷基酯进行反应。