反应详情

4′-Methoxyacetophenone (21) (150 mg, 1.00 mmol) was condensed with compound 19 (225 mg, 1.10 mmol) according to the general procedure II-A defined above. After heating the reaction mixture for 2 h it was cooled and the resulting solid filtered off and washed with cold isopropanol (3.0 mL) to afford the title compound CP30253 (204 mg, 68%) as a pale-yellow solid, m.p. 88.2-89.5° C.

1. temperatureAfter heating the reaction mixture for 2 h it
2. temperaturewas cooled
3. filtrationthe resulting solid filtered off
4. washwashed with cold isopropanol (3.0 mL)