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EnglishAddition of both Grignard reagents or hydride reducing agents to the ester group of the readily available 2,4-dioxoalkanoates, while the 1,3-diketone fragment is suitably masked both in form of an isoxazole ring or as an enaminone function, allows a useful preparation of a variety of α'-hydroxy-1, 3-diketone moieties. Acid-promoted cyclodehydration of these compounds leads to 3(2H) furanones or 3(2H) furanimines depending on the substitution pattern and on reaction conditions.
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http://hdl.handle.net/11392/460426| Titolo: | Ethyl 2,4-dioxoalkanoates as starting materials for a convenient route to 3(2H)-furanones and 3(2H)-furanimines. |
| Autori interni: | BARALDI, Pier Giovanni BARCO, Achille BENETTI, Simonetta MANFREDINI, Stefano POLLINI, Gian Piero SIMONI, Daniele |
| Data di pubblicazione: | 1987 |
| Rivista: | TETRAHEDRON |
| Abstract: | Addition of both Grignard reagents or hydride reducing agents to the ester group of the readily available 2,4-dioxoalkanoates, while the 1,3-diketone fragment is suitably masked both in form of an isoxazole ring or as an enaminone function, allows a useful preparation of a variety of α'-hydroxy-1, 3-diketone moieties. Acid-promoted cyclodehydration of these compounds leads to 3(2H) furanones or 3(2H) furanimines depending on the substitution pattern and on reaction conditions. |
| Handle: | http://hdl.handle.net/11392/460426 |
| Appare nelle tipologie: | 03.1 Articolo su rivista |
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