Regioselective Synthesis of 4-Acetyl-and 5-Acetyl-3-methylisoxazole: Their Conversion into Silyl-and Methyl Enol Ethers
β Scribed by Chimichi, Stefano; Cosimelli, Barbara
- Book ID
- 120599825
- Publisher
- Taylor and Francis Group
- Year
- 1992
- Tongue
- English
- Weight
- 362 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0039-7911
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## Abstract The synthesis of 3βacetylcoumarin (thio)acylhydrazones 1aβe and their transformation to 5βsubstituted 3βacetylβ2β(3βcoumarinyl)β2βmethylβ1,3,4βoxa(thia)diazolines 2aβf (cyclic isomers of the alternatively accessible diacylhydrazones, e.g. 1fβh) under acetylating conditions are described