Condensation of 2H-indazole-4,7-dione derivatives with 2-aminophenol derivatives
✍ Scribed by Seiko Nan'ya; Kaname Katsuraya; Yoshie Itamoto; Eturǒ Maekawa; Yoshio Ueno
- Book ID
- 112129046
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1988
- Tongue
- English
- Weight
- 139 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0022-152X
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## Abstract The synthesis of new indazol‐4,7‐dione derivatives __via__ 1,3‐dipolar cycloaddition of diazomethane with 2,3‐dimethyl‐1,4‐benzoquinone (**2**) and 1,4‐naphthoquinone (**7**) followed by __N__‐alkylation of the pyrazol nitrogen atom of the corresponding quinones (**3**) and (**8**) with
## Abstract A series of 3‐chloro‐2‐(4‐chloro‐2‐fluorophenyl)‐4,5,6,7‐tetrahydro‐2__H__‐indazole derivatives containing various substituted isoxazolinylmethoxy groups at the 5‐position of the benzene ring were synthesized and their herbicidal activities assessed under greenhouse and flooded paddy co