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- W2000218097 abstract "Le traitement d'aziridines C-fonctionnalisées par l'acide fluorosulfurique permet la préparation des sels d'aziridinium N-protonés correspondants avec des rendements élevés. L'action du fluorosulfate de méthyle sur les aziridines secondaires conduit également aux sels d'aziridinium N-protonés. Les sels protonés sont isolés et caractérisés par voies chimique et spectroscopique. La configuration des épimères à l'azote est établie par effet Overhauser nucléaire et la stéreéchimie de la réaction est discutée. Aziridinium ions were prepared from aziridines bearing a functionality on a ring carbon and as isolated crystalline fluorosulfate salts either by protonation in fluorosulfuric acid solution or by alkylation with methyl fluorosulfate. The structural assignement of these ions is based on nmr spectra and on quenching experiments with sodium carbonate. The configurations of the epimeric ions have been assigned by the nuclear Qverhauser effect and the stereoselectivity in protonation is disucussed." @default.
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- W2000218097 date "1980-01-01" @default.
- W2000218097 modified "2023-10-14" @default.
- W2000218097 title "Sels d'aziridinium stables<i>C</i>-fonctionnalisés III: Synthèse et caractérisation d'aziridines protonées épimères à l'azote" @default.
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- W2000218097 doi "https://doi.org/10.1002/jhet.5570170141" @default.
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