反应详情

By following the procedure of Example 1, step A, but substituting equimolar amounts of 6-{2-(2,4-dichloro-6-hydroxyphenyl)ethyl}-3,4,5,6-tetrahydro-4-hydroxy-2H-pyran-2-one and 4-trifluoromethylbenzyl bromide for the 4,6-dichlorosalicylaldehyde and benzyl bromide used therein, the title compound is obtained, m.p. 104°-105° C.