Polycyclic spiro(1-pyrazoline-3,1′-cyclopropanes) were obtained in 32–70 % yields by the reaction of diazocyclopropane generatedin situ with 2-methyltricyclo[3.2.1.02,4]oct-6-ene, spiro[2,4]hepta-4,6-diene dimer, benzvalene, spiro[2,3]hex-1-ene, methyl 1-methylcyclopropene-3-carboxylate, buta-1,3-diene, and 2-methylbuta-1,3-diene.
通过原位生成的重氮
环丙烷与 2-甲基
三环 [3.2.1.02,4] oct-6-ene、spiro[2, 4]hepta-4,6-diene 二聚体、benzvalene、spiro[2,3]hex-1-ene、methyl 1-methylcyclopropene-3-carboxylate、buta-1,3-diene 和 2-methylbuta-1,3 -二烯。