反应详情

A solution of (1-oxo-2-cyclopentyl-2-methyl-6,7-dichloro-5-indanyloxy)acetic acid (3.57 g., 0.01 mole) and thionyl chloride (2.38 g., 0.02 mole) in benzene (50 ml.) is refluxed for 1 hour. The excess thionyl chloride and benzene are evaporated at reduced pressure as is a subsequent 50 ml. portion of benzene affording (1-oxo-2-cyclopentyl-2-methyl-6,7-dichloro-5-indanyloxy)acetyl chloride as a yellow oil which is used in step B without further purification.

1. customThe excess thionyl chloride and benzene are evaporated at reduced pressure