boron trifluoride in dichloromethane 24 h; Ambient temperature;

boron trifluoride in dichloromethane 24 h; Ambient temperature; Further byproducts given. Yields of byproduct given;

boron trifluoride in dichloromethane 24 h; Ambient temperaturecyclooligomerization, other oxetanes and solvents, other reagents; Product distribution;