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Some aspects of the chemistry of 4-thioxo-2-azetidinone derivatives: reactions with nucleophilic reagents

✍ Scribed by A. Brandt; L. Bassignani; L. Re; E. Mantovani; A. Robertiello; L. Settembri

Publisher: Elsevier Science
Year: 1977
Tongue: French
Weight: 222 KB
Volume: 18
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)83186-5

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3, 5, isoquinoline (Ilia). A mixture of 2.27 g (i0 mmole) of compound IIa and 0.68 ml (15 mmole) of hydrazine hydrate was boiled in ethanol for 3 h. On cooling, hydrazone IIIa formed a precipitate, which was filtered off, dried, and recrystallized. ## 2-Semicarbazono-3-oxo-5,5-dimethyl-2,3~5,6-te