4.6 Article

Synthesis of dihydroisoquinolinone-4-methylboronic esters via domino Heck/borylation using a structurally characterized palladacycle as a catalyst

Journal

RSC ADVANCES
Volume 12, Issue 11, Pages 6762-6771

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d2ra00389a

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Funding

  1. Department of Science and Technology (DST), New Delhi
  2. CSIR, India

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This study reports the synthesis of dihydroisoquinolinone-4-methylboronic esters from N-allylcarboxamides and B-2(Pin)(2)via a domino Heck/borylation approach. A quinoxaline-based NHC-palladacycle [Pd(C boolean AND C:)PPh3Cl], which has been structurally characterized, is used as a catalyst. The scope of the substrate with a wide range of substituents is explored. In addition to the synthesis of the title compounds, a few examples of methylboronic esters of indoline and benzofuran motifs have also been prepared using the same protocol.
Synthesis of dihydroisoquinolinone-4-methylboronic esters from N-allylcarboxamides and B-2(Pin)(2)via domino Heck/borylation approach is reported. A quinoxaline-based NHC-palladacycle [Pd(C boolean AND C:)PPh3Cl], which has been structurally characterized, is used as a catalyst. The scope of the substrate with a wide range of substituents is explored. In addition to the synthesis of title compounds, a few examples of methylboronic esters of indoline and benzofuran motifs have also been prepared using the same protocol.

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