The Reactions of 1,2-Diphenyl-1-azaspiro[2,2]pentane and 2-Phenyl-1-azaspiro[2.2]pent-1-ene with<i>C</i>,<i>N</i>-Diarylnitrilimines
作者:Otohiko Tsuge、Hiroyuki Watanabe、Yoko Kiryu
DOI:10.1246/bcsj.52.3654
日期:1979.12
The reactions of highly strained 1,2-diphenyl-1-azaspiro[2.2]pentane (1) and 2-phenyl-1-azaspiro[2.2]pent-1-ene (2) with C,N-diarylnitrilimines (3) were described. The reaction of 1 with 3 gave the corresponding 4,5,7,8-tetraphenyl-4,6,7-triazaspiro[2.5]oct-5-ene, 1,5,7,8-tetraphenyl-5,6,8-triazaspiro[3.4]oct-6-ene, 1,3,5-triphenyl-2-pyrazoline, 1,3,4-triphenyl-1,2,4-triazolin-5-one, and/or 1,3,4,6
高度应变的 1,2-二苯基-1-氮杂螺[2.2]戊烷 (1) 和 2-苯基-1-氮杂螺[2.2] 戊-1-烯 (2) 与 C,N-二芳基腈亚胺 (3) 的反应为描述。1与3反应得到相应的4,5,7,8-四苯基-4,6,7-三氮杂螺[2.5]辛-5-烯,1,5,7,8-四苯基-5,6,8 -triazaspiro[3.4]oct-6-ene, 1,3,5-triphenyl-2-pyrazoline, 1,3,4-triphenyl-1,2,4-triazolin-5-one, 和/或 1,3, 4,6,8-pentaphenyl-1,2,4,6,7-pentaazaspiro[4.4]nona-2,7-diene,其产率取决于反应条件。还假定了产物形成的途径。氮杂螺戊烯 2 很容易与 3 反应,得到相应的 1,2,4-三苯基-2,3,5-三氮杂双环 [4.2.0]octa-3,5-二烯,由最初的