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Georg Kettschau

Publications and source records attributed to Georg Kettschau.

2 recordsLinked to original sources

Solid-phase synthesis of endothelin receptor antagonists.

A new solid-phase synthesis for ET receptor antagonists suitable for automation is presented. A support bound 2-hydroxybutyric acid derivative was converted to the corresponding ether derivatives using 4-halo-2-methylsulfonylpyrimidines. Subsequent Suzuki coupling with various aryl boronic acids gave the desired antagonists in good yields and purities. Highly potent antagonists with excellent selectivity for ET(A) were obtained.

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