作者:P. S. N. Reddy、K. Santa Deepthi
DOI:10.1055/s-2002-34841
日期:——
A facile one step synthesis of dibenzo[3,4:7,8][1,5] diazocino[2,1-b:6,5-b′]diquinazolin-10,21-dione (4a) and N-methyl/ethyldibenzo[3,4:7,8][1,5]diazocino[6,5-b]quinazolin-5,16-diones (4b,c) is described. The mechanism involves a transannular reaction and the conformational structure of 4b was confirmed by X-ray crystallographic data.
本文介绍了一步合成二苯并[3,4:7,8][1,5]二氮杂[2,1-b:6,5-b′]二喹唑啉-10,21-二酮(4a)和 N-甲基/乙基二苯并[3,4:7,8][1,5]二氮杂[6,5-b]喹唑啉-5,16-二酮(4b,c)的简便方法。 其机理涉及反硝化反应,4b 的构象结构已通过 X 射线晶体学数据得到证实。