SCHEDULED MAINTENANCE
An efficient synthesis of 3-amino-4-phenylpyridine derivatives is reported. 3-Pivaloylaminopyridines were lithiated by butyl-lithium before reaction with iodine as electrophile to afford 4-iodo-3-pivaloylaminopyridines. Cross-coupling of the latter with suitable phenylboronic acids gives CD ring models of streptonigrin.
F. Marsais, J. Rovera, A. Turck, A. Godard and G. Quéguiner, J. Chem. Soc., Perkin Trans. 1, 1990, 2611 DOI: 10.1039/P19900002611
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