Selective amination of polyhalopyridines catalyzed by a palladium-xantphos complex. Ji, J., Li, T., & Bunnelle, W. H Organic letters, 5(24):4611–4, December, 2003. Paper doi abstract bibtex [reaction: see text] Amination of 5-bromo-2-chloropyridine (1a) catalyzed by a palladium-Xantphos complex predominately gives 5-amino-2-chloropyridine product 3a in 96% isolated yield and excellent chemoselectivity (3a/4a = 97:3). Amination of 2,5-dibromopyridine (11) under the same conditions exclusively affords 2-amino-5-bromopyridine 4a.
@article{Ji2003,
title = {Selective amination of polyhalopyridines catalyzed by a palladium-xantphos complex.},
volume = {5},
issn = {1523-7060},
url = {http://www.ncbi.nlm.nih.gov/pubmed/14627396},
doi = {10.1021/ol0357696},
abstract = {[reaction: see text] Amination of 5-bromo-2-chloropyridine (1a) catalyzed by a palladium-Xantphos complex predominately gives 5-amino-2-chloropyridine product 3a in 96\% isolated yield and excellent chemoselectivity (3a/4a = 97:3). Amination of 2,5-dibromopyridine (11) under the same conditions exclusively affords 2-amino-5-bromopyridine 4a.},
number = {24},
journal = {Organic letters},
author = {Ji, Jianguo and Li, Tao and Bunnelle, William H},
month = dec,
year = {2003},
pmid = {14627396},
keywords = {\#nosource},
pages = {4611--4},
}
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