反应详情

150 mg of the mixture of 6-iodo-5-oxo-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-1-ylmethanol and 4-iodo form prepared in Example 6-a was oxidized by the procedure of Example 1-f using manganese dioxide, to give 120 mg of a mixture of the title compound with a 4-iodo form as a colorless powder.