反应详情

19.5 G. of 6,11-dihydro-dibenzo[b,e]thiepin-11-ol, 25 ml. of thionyl chloride and 180 ml. of absolute benzene are heated under reflux conditions for 2 hours. The mixture is evaporated, treated several times with absolute benzene and then evaporated. The crude 11-chloro-6,11-dihydro-dibenzo[b,e]thiepin obtained as the residue is used without further purification.

1. customThe mixture is evaporated
2. additiontreated several times with absolute benzene
3. customevaporated