Kondensierte Furane, XLVII. Synthese von 1H-Pyrano[3,4-b]benzofuran-1-on und Derivaten
✍ Scribed by Chatterjea, Jnanendra N. ;Sahai, Radhika P. ;Swaroopa, Bipin B. ;Bhakta, Chittaranjan ;Jha, Hem Chandra ;Zilliken, Fritz
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1980
- Tongue
- English
- Weight
- 353 KB
- Volume
- 113
- Category
- Article
- ISSN
- 0009-2940
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✦ Synopsis
Condensed Furans, XLVII. Synthesis of 1__H__‐Pyrano[3,4‐b]benzofuran‐1‐one and their Derivatives
The synthesis of 1__H__‐pyrano[3,4‐b]benzofuran‐1‐one derivatives (6–14) and their 2‐aza‐analogues (15–16) is described.
📜 SIMILAR VOLUMES
## Görlitzer und Michels Arch. Pharm. residue was treated with 25ml of water and unreacted N-phenylthiourea filtered. The filtrate was evaporated i.vac. The residue after recrystallization from methanol gives 3,3g of 9a (table 3,2). Similarly comp. 9b,c were obtained.