作者:L. M. Potikha、N. V. Shkol’naya、V. A. Kovtunenko
DOI:10.1007/s10600-006-0216-1
日期:2006.9
Quinazolyl-2-propionic acid hydrochloride (5) was synthesized by reduction of N-(o-nitrobenzyl)succinimide with tin chloride. A pyrroloquinazolin-1-one 4, 3,9-dihydropyrrolo[2,1-b]quinazolin-1(2H)-one} was prepared in 68% yield by heating 5 in Ac2O and subsequent treatment with Et3N. Compound 4 was obtained in 71% yield in one step by reduction of N-(o-nitrobenzyl)succinimide with Fe in the presence of HCl. Compound 4 was protonated, alkylated, and acylated on the N(4) atom. Derivatives of quinazolyl-2-propionic acid and 1-(2-aminobenzyl)succinimide were prepared by reaction of derivatives of 4 with nucleophilic reagents.
通过用氯化锡还原 N-(邻硝基苄基)琥珀酰亚胺,合成了喹唑啉-2-丙酸盐酸盐(5)。将 5 在 Ac2O 中加热,然后用 Et3N 处理,制备出吡咯喹唑啉-1-酮 4,3,9-二氢吡咯并[2,1-b]喹唑啉-1(2H)-酮},收率为 68%。在盐酸存在下,用 Fe 还原 N-(邻硝基苄基)琥珀酰亚胺,一步制得化合物 4,收率为 71%。化合物 4 在 N(4) 原子上进行了质子化、烷基化和酰基化反应。通过 4 的衍生物与亲核试剂的反应,制备了喹唑基-2-丙酸和 1-(2-氨基苄基)琥珀酰亚胺的衍生物。