Southern Research Station

Title: Acid-catalyzed rearrangements of flavans to novelbenzofuran derivatives

Author: Hemingway, Richard W.; Peng, Weiling; Conner, Anthony H.; Steynberg, Petrus J.; Steynberg, Jan P.

Date: 1998

Source: olyphenols Communications 98; XIXth international conference on polyphenols; volume 1; 1998 September 1-4; Lille, France.Bordeaux Cedex, France: Groupe Polyphenols: 191-192.

Station ID: --

Description: The objective of this work was to define reactions that occur when proanthocyanidins and their derivatives are reacted in the presence of acid catalysts. Pure compounds (either as the free phenols, the methyl ether, or the methyl ether-acetate derivatives) were isolated by a variety of chromatographic methods. Proof of their structure was based mainly on 2D-NMR, as well as high-resolution MS and CD experiments. This publication summarizes some of the results of these experiments.

Keywords: 

View and Print this Publication (95 KB)

Pristine Version:  An uncaptured or "pristine" version of this publication is available. It has not been subjected to OCR (Optical Character Recognition) and therefore does not have any errors in the text. However it is a larger file size and some people may experience long download times. The "pristine" version of this publication is available here:

View and Print the PRISTINE copy of this Publication (759 KB)

Publication Notes: 

• We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
• This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
• You may send email to pubrequest@fs.f ed.us to request a hard copy of this publication. (Please specify exactly which publication you are requesting and your mailing address.)

 Get the latest version of the Adobe Acrobat reader or Acrobat Reader for Windows with Search and Accessibility

Citation

Hemingway, Richard W.; Peng, Weiling; Conner, Anthony H.; Steynberg, Petrus J.; Steynberg, Jan P.  1998.  Acid-catalyzed rearrangements of flavans to novelbenzofuran derivatives.   olyphenols Communications 98; XIXth international conference on polyphenols; volume 1; 1998 September 1-4; Lille, France.Bordeaux Cedex, France: Groupe Polyphenols: 191-192.