car-3-ene-2,5-dione 、
天然橡胶 在
tris(6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octanedionato)ytterbium 作用下,
以
甲苯 为溶剂,
反应 48.0h,
生成 (1aR,2aS,6aR,7aS)-1,1,2a,5-Tetramethyl-1a,2a,3,6,6a,7a-hexahydro-1H-cyclopropa[b]naphthalene-2,7-dione 、
(1aS,2aR,6aS,7aR)-1,1,5,6a-Tetramethyl-1a,2a,3,6,6a,7a-hexahydro-1H-cyclopropa[b]naphthalene-2,7-dione