Bioorganic & Medicinal Chemistry 2010-01-15

Synthesis, anti-HIV and anti-oxidant activities of caffeoyl 5,6-anhydroquinic acid derivatives.

Chao-Mei Ma, Takuya Kawahata, Masao Hattori, Toru Otake, Lili Wang, Mohsen Daneshtalab

Index: Bioorg. Med. Chem. 18 , 863-9, (2010)

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Abstract

In our continued research on chlorogenic acid analogues and derivatives with improved bioactivity, we have synthesized some caffeoyl 5,6-anhydroquinic acid derivatives. The 1,7 acetonides of chlorogenic acid (15), and of the mono-caffeoyl 5,6-anhydroquinic acids (7-8) showed appreciable anti-HIV activity. The 3,4-dicaffeoyl 5,6-anhydroquinic acid (12) exhibited an anti-HIV activity twice as that of 3,5-dicaffeoylquinic acid (22). The caffeoyl 5,6-anhydroquinic acid derivatives displayed potent anti-oxidant activities. The mono-caffeoyl 5,6-anhydroquinic acids (10-11) were more than twice stronger than chlorogenic acid (21) on SOD-like activity.Copyright 2009 Elsevier Ltd. All rights reserved.

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