Relaxant activity of 4-amido-3,4-dihydro-2H-1-benzopyran-3-ols and 4-amido-2H-1-benzopyrans on guinea pig isolated trachealis
β Scribed by Buckle, Derek R.; Arch, Jonathon R. S.; Fenwick, Ashley E.; Houge-Frydrych, Catherine S. V.; Pinto, Ivan L.; Smith, David G.; Taylor, Stephen G.; Tedder, John M.
- Book ID
- 127373120
- Publisher
- American Chemical Society
- Year
- 1990
- Tongue
- English
- Weight
- 938 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0022-2623
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## Abstract For Abstract see ChemInform Abstract in Full Text.
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## Abstract magnified image The title aldehyde **1** reacts smoothly with the enamine moiety of **2**βaminochromone **2** to produce hitherto unreported 3β(2βhydroxybenzoyl)β5__H__β1βbenzopyrano[2,3β__b__]pyridinβ5βone (azaxanthone) **5**. This reaction has been extended for the synthesis of bisaz