87057-40-7
7-oxa-2-exo,3-endo-bis(phenylsulfonyl)bicyclo[2.2.1]hept-5-ene
→
~30%
6705-50-6
7-oxabicyclo[2.2.1]hept-2-ene
+
6569-83-1
7-oxabicyclo[2.2.1]hepta-2,5-diene
~24%