Issue 18, 2002

A simple method for the preparation of 3-hydroxyiminodehydroquinate, a potent inhibitor of type II dehydroquinase

Abstract

A number of routes to 3-hydroxyiminodehydroquinate 4, one of the most potent inhibitors of type II dehydroquinase that is currently known, have been investigated. Methods based on the existing literature synthesis, i.e. oxime formation of a suitably C-4 and C-5 protected methyl 3-dehydroquinate derivative were initially studied. Benzoyl protection as in 11 did give the desired product but in low overall yield. An alternative BBA protection strategy starting with 7 was successful in generating a C-4/C-5 analogue of the desired oxime 4 in high yield. Further investigation revealed that it was unnecessary to protect the dehydroquinate precursor, hence the potassium salt corresponding to oxime 4 was simply synthesised as a single isomer from methyl dehydroquinate 10.

Graphical abstract: A simple method for the preparation of 3-hydroxyiminodehydroquinate, a potent inhibitor of type II dehydroquinase

Article information

Article type
Paper
Submitted
24 6月 2002
Accepted
24 7月 2002
First published
16 8月 2002

J. Chem. Soc., Perkin Trans. 1, 2002, 2065-2068

A simple method for the preparation of 3-hydroxyiminodehydroquinate, a potent inhibitor of type II dehydroquinase

C. L. Sann, C. Abell and A. D. Abell, J. Chem. Soc., Perkin Trans. 1, 2002, 2065 DOI: 10.1039/B206066C

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