作者:B. Narsaiah、A. Sivaprasad、R. V. Venkataratnam
DOI:10.1080/00397919108021060
日期:1991.8
Abstract A simple and efficient synthesis of pyrazolo[3,4-b] quinolines is described. The synthesis involves reaction of 2-amino-3-cyanoquinoline-4-carboxylates(1) with hydrazine hydrate to give regioselectively only pyrazolo[3,4-b]quinolines (2). No formation of pyridazino quinolines (3) is observed.
摘要 描述了吡唑并[3,4-b] 喹啉的一种简单有效的合成方法。该合成涉及 2-amino-3-cyanoquinoline-4-carboxylates(1) 与水合肼的反应,以区域选择性地仅产生吡唑并 [3,4-b] 喹啉 (2)。没有观察到哒嗪并喹啉 (3) 的形成。