4.3 Article

Application of Ring-Closing Metathesis for the Synthesis of Benzo[3,4]azepino[1,2-b]isoquinolin-9-ones

Journal

CHEMICAL & PHARMACEUTICAL BULLETIN
Volume 59, Issue 9, Pages 1169-1173

Publisher

PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/cpb.59.1169

Keywords

ring-closing metathesis; benzo[3,4]azepino[1,2-b]isoquinolinone; 3-arylisoquinoline; chemical shift difference

Funding

  1. Korea Research Foundation [KRF-2009-0071379]
  2. National Research Foundation of Korea [2009-0071379] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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Cycloaddition reaction between toluamides and benzonitriles was applied to prepare the 3-arylisoquinolines, and their chemical transformation to the dienes 4 was performed. The ring-closing metathesis (RCM) reaction afforded the desired heterocyclic compounds, benzo[3,4]azepino[1,2-b]isoquinolinones 5 in good yield.

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