cis-propenyl propyl ether 、 4-((E)-2-nitro-benzylidene)-2,5-diphenyl-2,4-dihydro-pyrazol-3-one 反应 12.0h,
生成
5t-methyl-4r-(2-nitro-phenyl)-1,3-diphenyl-6t-propoxy-1,4,5,6-tetrahydro-pyrano[2,3-c]pyrazole 、 5
c-methyl-4
r-(2-nitro-phenyl)-1,3-diphenyl-6
c-propoxy-1,4,5,6-tetrahydro-pyrano[2,3-
c]pyrazole