Zhao Xin-qi
2007
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Journal
Chinese Journal of Pharmaceuticals
Abstract
6,7-Dihydro-5H-cyclopenteno[b]pyridine was prepared from 1-amino-2-cyanocyclopentene by acetylation, cyclization and chlorination to give 4-amino-2-chloro-6,7-dihydro-5H-cyclopenteno[b]pyridine, which was subjected to Sandmeyer bromination and then catalytic hydrogenated dehalogenation with an overall yield of about 61%.