N.m.r. spectroscopic ldentification of benz[cd]indazole
作者:Hiroshi Nakanishi、Akira Yabe、Koichi Honda
DOI:10.1039/c39820000086
日期:——
Benz[cd]indazole (1), prepared by the low-temperature photolysis of 1,8-diazidonaphthalene (2) has been identified by 15N, 1H, and 13C. n.m.r. spectroscopy.
通过15 N,1 H和13 C. nmr光谱鉴定了通过1,8-二叠氮萘(2)的低温光解制备的苯并[ cd ]吲唑(1)。
Photochemical ring expansion of diazidonaphthalenes: formation of the first examples of azepinoazepines
Photolysis of 1,5-, 1,6-, 1,8-, and 2,7-diazidonaphthalenes (1) results in ringexpansion of both benzene rings to give the corresponding novel azepinoazepines (3)via the azidobenzazepines (2).