BIFUNCTIONAL ORGANOCATALYST TO PROMOTE THE BIGINELLI REACTION UNDER MILD CONDITIONS

[摘要]：Binaphthyl compounds, which include a pyridinium ion moiety as an acid and pyridine moiety as a base, have been synthesized and evaluated as bifunctional organocatalysts for the three-component Biginelli reaction. 3,3'-(2,2'-Dimethoxy-1,1'-binaphthyl-3,3'-diyl)dipyridine in the presence of equimolar amount of methanesulfonic acid catalyzed the Biginelli reaction to give the desired product in up to 79% yield even at 25 degrees C.

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