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ChemInform Abstract: Total Synthesis and Absolute Configuration of Riccardiphenols A and B, Isolated from the Liverwort Riccardia crassa.

✍ Scribed by M. TORI; T. HAMAGUCHI; K. SAGAWA; M. SONO; Y. ASAKAWA

Publisher: John Wiley and Sons
Year: 2010
Weight: 36 KB
Volume: 28
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199702155

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✦ Synopsis

Total Synthesis and Absolute Configuration of Riccardiphenols A and B, Isolated from the Liverwort Riccardia crassa.

-The chiral title compounds (XVII) and (XIX) are synthesized from the chiral Michael addition product (VI) by combination of a Grignard reaction and an acid-catalyzed cyclization of the corresponding triol, e.g. (XVI). -(TORI,

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