Synthesis of N-Substituted Carbonylamino-1,2,3,6-tetrahydropyridines as Potential Anti-Inflammatory Agents
摘要:
Several N-substituted carbonyl/sulfonylamino-1,2,3,6-tetrahydropyridines (5a-i and 9a, b) were synthesized via sodium borohydride reduction of the corresponding N-substitutedimino-pyridinium ylides (4a-i and 8a, b) in absolute ethanol.
Synthesis of N-Substituted Carbonylamino-1,2,3,6-tetrahydropyridines as Potential Anti-Inflammatory Agents
摘要:
Several N-substituted carbonyl/sulfonylamino-1,2,3,6-tetrahydropyridines (5a-i and 9a, b) were synthesized via sodium borohydride reduction of the corresponding N-substitutedimino-pyridinium ylides (4a-i and 8a, b) in absolute ethanol.
N-Iminopyridinium ylide-directed, cobalt-catalysed coupling of sp<sup>2</sup> C–H bonds with alkynes
作者:Se Hun Kwak、Olafs Daugulis
DOI:10.1039/d0cc05294a
日期:——
N-Iminopyridinium ylides are used as directing groups and internal oxidants for cobalt-catalysed annulation of sp2 C–H bonds with internal alkynes. The reactions possess excellent compatibility with heterocyclic substrates.