In continuation of our studies of 3,3-sigmatropic reactions, we have discovered the facile amino-Claisen rearrangement of the N-allyl-enamine system in pyrazolin-5-ones (1). Recent reports (2, 3,4) on the analogous examples of the amino-Claisen rearrangement prompt a preliminary report of our work o
โฆ LIBER โฆ
3-H-isoxazolin-5-ones
โ Scribed by Francesco De Sarlo; Giuliano Dini
- Book ID
- 112121656
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1967
- Tongue
- English
- Weight
- 316 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0022-152X
No coin nor oath required. For personal study only.
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โ 346 KB
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1980
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Journal of Heterocyclic Chemistry
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โ 209 KB
The basic ring opening of 3-unsubstitute
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1970
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โ 217 KB
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Elsevier Science
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โ 190 KB
Methyl acetoacetate and other B-keto esters can be converted into the corresponding isoxazolin-5-ones which can be metalated a to C-3. These anions are trapped by a range of electrophiles to produce 3-substituted isoxazolin-5-ones. Recently we required various B-amino a,B-unsaturated esters as
Reaction with 4-substituted-2-isoxazolin
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Harhash, Abdel H.; Elnagdi, Mohamed H.; Kassab, Nazmi A. L.; Negm, Abdalla M.
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Article
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1975
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American Chemical Society
๐
English
โ 239 KB