4.6 Article

A directing group free Pd(ii)-catalysed desulfitative C6-arylation of 2-pyridone using an arylsulfonyl chloride

Journal

ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 18, Issue 40, Pages 8079-8083

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ob01716g

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Funding

  1. SERB, India [CRG/2018/000630]
  2. DST, India [SR/FST/CSII-026/2013]
  3. IIT Kharagpur

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A Pd(ii)-catalysed direct desulfitative arylation was realized at the C6-position of the 2-pyridone scaffold. Aryl sulfonyl chloride was used as an alternative arylating agent. The required site-selectivity occurred without the strategic installation of a heteroatom containing directing group. Preliminary mechanistic studies revealed that radical species were involved during this process.

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