Heterocyclic nitronate anions prepared from 3-ethyl-5-hydroxymethyl-5-nitrotetrahydro-1,3-oxazine are found to be suitable nucleophiles for SRNl reactions. Base-promoted nitrous acid elimination from C-alkylation product gives rise to new tetrahydro-1,3 oxazines with a trisubstituted ethylenic doubl
✦ LIBER ✦
Reactions SRN1 en serie heterocyclique: IV: Reactivite des sels du dimethyl-2,2 nitro-5 dioxanne-1,3
✍ Scribed by Michel P Crozet; Gaëlle Archaimbault; Patrice Vanelle; Robert Nouguier
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- French
- Weight
- 120 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
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The first example of radical-anion substitution (SRNl) involving a nitroimidazole compound in which the nitro group is ortho to the side-chain at which substituuon occurs is described. This process is more effective in 5nitroimidazole than in o-nitrobenzyle series. Les nitro-5 imidazoles sont des a
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## Le &arrangement thermique des imino-Bthers aliphatiques 1 (Rl et R2 = alkyl ou aryl, R3 = alkyl) en amides substitu6es 2 (RBarrangement de LANDER) ndcessite des temp6ratures Blev6es