Download PDF
Synfacts 2008(11): 1130-1130  
DOI: 10.1055/s-0028-1083420
Synthesis of Natural Products and Potential Drugs
© Georg Thieme Verlag Stuttgart ˙ New York

Synthesis of Sanguiin H-5

Contributor(s): Philip Kocienski
X. Su, D. S. Surry, R. J. Spandl, D. R. Spring*
University of Cambridge, UK
Further Information

Publication History

Publication Date:
23 October 2008 (online)

    Permissions and Reprints

Significance

Sanguiin H-5 is a member of the ellagitannin class of hydrolyzable plant polyphenols. The key step in the synthesis by Spring and co-workers is the atropdiastereoselective oxidative biaryl coupling of the diarylcuprate B using the 3,5-dinitrobenzamide derivative C as the oxidant.