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C-H/N-H Annulation of N-Aryl Triazolinediones with Diazo Compounds: A Route to Cinnoline Analogues
- Jeong, Jimin;
- Kim, Jeeyeon;
- Choi, Junghwan;
- Kang, Jungmin;
- Jang, Seonpil;
- ... Kim, In Su;
- 외 4명
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0초록
The preparation and functionalization of cinnolinones and dihydrocinnolinones have emerged as important topics in medicinal chemistry and drug discovery. In this study, we report an iridium(III)-catalyzed C-H/N-H annulation between N-aryl triazolinediones and diazo Meldrum's acid to access a range of dihydrocinnolinones. Furthermore, by modulation of the reaction conditions, a ruthenium(II)-catalyzed annulative cyclization of N-aryl triazolinediones with alpha-diazo-beta-ketoesters was developed to efficiently produce cinnolines.
키워드
FACILE SYNTHESIS; AZOBENZENES; FUNCTIONALIZATION; HETEROCYCLES; ACTIVATION; EFFICIENT
- 제목
- C-H/N-H Annulation of N-Aryl Triazolinediones with Diazo Compounds: A Route to Cinnoline Analogues
- 저자
- Jeong, Jimin; Kim, Jeeyeon; Choi, Junghwan; Kang, Jungmin; Jang, Seonpil; Hong, Seongwon; Rakshit, Amitava; Singh, Pargat; Jeong, Taejoo; Kim, In Su
- 발행일
- 2025-12-19
- 유형
- Article
- 권
- 90
- 호
- 50
- 페이지
- 17992 ~ 18001