反应详情

For the preparation of the title compound, 0.50 g (1.9 mmol) of 8-chloro-1-hydroxy-10,11-dihydrodibenzo[a,d]cyclohepten-5-one, 0.75 g (2.6 mmol) of (R)-toluene-4-sulfonic acid 2,2-dimethyl-[1,3]dioxolan-4-ylmethyl ester and 0.80 g (5.8 mmol) of K2CO3 in 10 ml of dry DMF are reacted by method M. Yield: 53%; C21H21ClO4 (Mr=372.85); GC 22.8 min