Isoxazole carboxylic acids as protein tyrosine phosphatase 1B (PTP1B) inhibitors

Bioorganic & Medicinal Chemistry Letters
2004.0

Abstract

Guided by X-ray crystallography, we have extended the structure-activity relationship (SAR) study on an isoxazole carboxylic acid-based PTP1B inhibitor (1) and more potent and equally selective (>20-fold selectivity over the highly homologous T-cell PTPase, TCPTP) PTP1B inhibitors were identified. Inhibitor 7 demonstrated good cellular activity against PTP1B in COS 7 cells.

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