Further investigations of the interaction of trimethylsilyl azide with substituted maleic anhydrides. Synthesis of 4- and 5-aryl substituted 1,3-(3H)oxazine-2,6-diones
β Scribed by John H. MacMillan; Stephen S. Washburne
- Book ID
- 112123617
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1975
- Tongue
- English
- Weight
- 397 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0022-152X
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## Abstract magnified image Reaction of 2β(5βsubstitutedβ2βhydroxybenzylamino)phenols (**2**) with formalin in ethanol under reflux has chemoselectively led to 2β(6βsubstitutedβ2__H__βbenzo[__e__][1,3]oxazinβ3(4__H__)βyl)phenols (**3**) in good yield involving the ring closure of the hydroxyl grou