4.7 Article

Nickel-Catalyzed Denitrogenative Annulation of 1,2,3-Benzotriazin-4-(3H)-ones with Benzynes for Construction of Phenanthridinone Scaffolds

Journal

ADVANCED SYNTHESIS & CATALYSIS
Volume 360, Issue 2, Pages 284-289

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201701143

Keywords

Nickelacycle; annulation; benzyne; nickel; phenanthridinone

Funding

  1. Ministry of Science and Technology of the Republic of China [MOST 103-2633-M-007-001]
  2. Ministry of Education for Taiwan Government

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The synthesis of phenanthridinones via denitrogenative annulation of 1,2,3-benzotriazin-4-(3H)-ones with arynes catalysed by Ni(0)/dppm was successfully developed. A variety of phenanthridinones were prepared in good to excellent yields. Based on this method, nature product, N-methylcrinasidine, was synthesized.

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