Unexpected Tandem Ylide Annulation Reaction for Controllable Synthesis of 2<i>H</i>-Chromenes and 4<i>H</i>-Chromenes
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资源简介：
An unexpected tetrahydrothiophene-catalyzed ylide annulation reaction, via tandem Michael addition/elimination/substitution, for the controllable synthesis of 2H-chromenes and 4H-chromenes has been developed.
创建时间：
2006-08-17
