1R*, 4R*, 5S*, 5'S*-5'-Amino-1'-(4-nitrophenyl)-4',5'-dihydrospiro[bicyclo [2.2. 1]hept-2-ene[5.4]-1',2',3'-triazoles] have been obtained both by ?4 +2]-cycloaddition of cyclopentadiene to amino-methylene-1-(4-nitrophenyl)-4,5-dihydro-v-triazoles and by [3+2]-cycloaddition of 4-nitrophenylazide to 5-aminomethylene-2-norborenes . The configuration has been fully established by X-ray crystallographic
1R *,4R *,5S *,5'S * -5'-
氨基-1'-(4-
硝基苯基)-4',5'-二
氢螺[双环[2.2。1]庚-2-
烯[5.4] -1',2',3'-三唑]都是通过
环戊二烯的α4+2]-环加成到
氨基亚
甲基-1-(4-
硝基苯基)-4上获得的,5-二
氢-v-三唑并通过[3 + 2] -4-
硝基苯叠氮化物加成至5-
氨基亚
甲基-2-
降冰片烯。通过X射线晶体学分析已经完全确定了该构型。讨论了环加成反应的过程和热行为。