Naturalproductman’s Blog

Hey, is that a natural product?!

A New Way to Make Benzopyrans

Posted by naturalproductman on February 24, 2009

Dean Toste at the University of California at Berkeley has recently published in JACS – you guessed it:  more gold chemistry.  This reaction takes advantage of allylic oxonium intermediates to form the new ring.  It’s certainly a puzzle to figure out this mechanism.

gold reaction

The JACS paper

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