A novel dehydrogenation occurring during the synthesis of the new heterocyclic system 1H-pyrazolo[3,4-b][2,7]naphthyridin-8-one
β Scribed by Martin Winn
- Book ID
- 112123458
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1975
- Tongue
- English
- Weight
- 117 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0022-152X
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190, CH-8057 Zurich (26. VIII. 93) Condensation of 3,4-dihydro-6,7-dimethoxyisoquinoline (4) with 4-methylnicotinoyl chloride (12) in refluxing pyridine gives 5,6,13,13a-tetrahydro-2,3-dimethoxy-8~-isoquino[2,l-b][2,7]naphthyridin-8-one (Il), along with some of its 13,13a-didehydro derivative 7. A s