Naturalproductman’s Blog

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Archive for the ‘Chromenes’ Category

Gonytolides

Posted by naturalproductman on August 10, 2011

Haruhisa Kikuchi and co-workers from Tohoku University have reported in Organic Letters on a chromanone that stimulates the immune response.

immune

OL paper

Posted in Chromanones, Chromenes | Leave a Comment »

Moving the bonds

Posted by naturalproductman on June 19, 2011

Vijay Nair and co-workers from CSIR have reported in Organic and Biomolecular Chemistry on a NHC catalyzed cascade reaction converting 2H-chromene-3-carboxaldehydes to 3-methyl-2H-chromen-2-ones.

transposition

OBC paper

Posted in Cascade Reactions, Chromenes, Mechanistic, Methodology, Organocatalytic | Leave a Comment »

Conicol Synthesis

Posted by naturalproductman on January 20, 2010

Bor-Cherng Hong and co-workers at National Chung Cheng University in Taiwan have reported in Organic Letters on a route that involves two back to back organocatalytic reactions to make a dihydropyranyl ring and a cyclohexenyl ring systems.

conicol

OL paper

Posted in Cascade Reactions, Chromenes, Conjugate Additions, Methodology, Michael, Named Reactions, Organocatalytic | Leave a Comment »

 
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