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Synthesis of Azulenopyridinones through Palladium-Catalyzed Oxidative [4+2] Cyclization Reactions ofN-Methoxyazulene-1-and 2-carboxamides with Alkynes
- Han, Gi Uk;
- Son, Jeong-Yu;
- Park, Dahee;
- Eom, Hyeonsik;
- Lee, Kyungsup;
- ... Lee, Kooyeon;
- 외 2명
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12초록
Palladium-catalyzed oxidative [4+2] cyclization reactions were developed from the C-H activation reaction ofN-methoxyazulene-1- and 2-carboxamides with symmetrical and unsymmetrical alkynes under a molecular oxygen atmosphere, producing azulenopyridinone derivatives with novel azulene skeletons in good to excellent yields with a wide substrate scope and excellent functional group tolerance.
키워드
Palladium; catalysis; C-H activation; azulene; azulenopyridinone; C-H ACTIVATION; O BOND; ISOQUINOLONE SYNTHESIS; INTERNAL OXIDANT; AZULENE; BENZAMIDES; ANNULATION; ACIDS; DERIVATIVES; EXPANSION
- 제목
- Synthesis of Azulenopyridinones through Palladium-Catalyzed Oxidative [4+2] Cyclization Reactions ofN-Methoxyazulene-1-and 2-carboxamides with Alkynes
- 저자
- Han, Gi Uk; Son, Jeong-Yu; Park, Dahee; Eom, Hyeonsik; Lee, Kyungsup; Noh, Hee Chan; Lee, Kooyeon; Lee, Phil Ho
- 발행일
- 2020-11-04
- 유형
- Article
- 권
- 362
- 호
- 21
- 페이지
- 4749 ~ 4754