反应详情

By the method of Example 1, 6-methoxy-4-chromanone (3.97 g, 0.0223 mol) and 2-thiazolecarbaldehyde (3.00 g, 0.0265 mol) were converted to present title product which was recrystallized from methanol, 1.20 g (20%), m.p. 130°-132° C., tlc (1:19 CH3OH:CH2Cl2) Rf 0.67.