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. 2009 Feb 17;14(2):807-15.

doi: 10.3390/molecules14020807.

A convenient synthesis of Type A procyanidins

George A Kraus¹, Yi Yuan, Aaron Kempema

Affiliations

PMID: 19223829
PMCID: PMC6253771
DOI: 10.3390/molecules14020807

A convenient synthesis of Type A procyanidins

George A Kraus et al. Molecules. 2009.

. 2009 Feb 17;14(2):807-15.

doi: 10.3390/molecules14020807.

Authors

George A Kraus¹, Yi Yuan, Aaron Kempema

Affiliation

¹ Department of Chemistry, Iowa State University, Ames, IA 50011, USA. gakraus@iastate.edu

PMID: 19223829
PMCID: PMC6253771
DOI: 10.3390/molecules14020807

Abstract

Type A procyanidins can be synthesized in good yields from the condensation of benzopyrilium salts 8 and either catechin or phloroglucinol.

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Figures

Figure 1
Structures of Procyanidins.

Scheme 1 — Scheme 1
Synthetic route.

Scheme 2 — Scheme 2
Synthesis of phloroglucinol adducts.

See this image and copyright information in PMC

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