## Abstract Die Herstellung von 2‐Amino‐4‐oxo‐4H‐chromen‐3‐carbaldehyd 4 aus 4‐0xo‐4H‐chromen‐3‐ carbaldehyd 1 und seine Umsetzungen zu Pyrimidinochromenonen 5, Pyridinochromenonen 6, 7 und 2‐Amino‐4‐oxo‐4H‐chromen‐3‐carbonitril 10 werden beschrieben.
Reaktionen mit 4-Oxo-4H-chromen-3-carbaldehyd, II1) Heterocyclensynthesen mit 4-Oxo-4H-chromen-3-carbaldehyd
✍ Scribed by Petersen, Uwe ;Heitzer, Helmut
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1976
- Weight
- 431 KB
- Volume
- 1976
- Category
- Article
- ISSN
- 0074-4617
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✦ Synopsis
Abstract
4‐Oxo‐4H‐chromen‐3‐carbaldehyde 1 reagieren unter alkalischen Bedingungen mit Verbindungen vom Amidintyp und Hydrazin‐Derivaten zu den Kondensationsprodukten 2, 5, 6 und 7. Die Herstellung dieser Verbindungen und einige Reaktionen werden beschrieben und die Spektren diskutiert.
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