反应详情

Thionyl chloride (11.3 g, 0.095 mol) was added to the above optically active 4'-(1-methyl-heptyloxy)-4-biphenylcarboxylic acid (20 g, 0.063 mol), followed by heating under reflux for one hour and distilling off excess thionyl chloride to obtain optically active 4'-(1-methyl-heptyloxy)-4-biphenylcarboxylic acid chloride (21 g).

1. temperatureby heating
2. temperatureunder reflux for one hour
3. distillationdistilling off excess thionyl chloride