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Unexpected spontaneous ring-contraction rearrangement of trifluoromethylated 1,2-oxazine N-oxides to 1-pyrroline N-oxides

✍ Scribed by Vladislav Yu. Korotaev; Alexey Yu. Barkov; Pavel A. Slepukhin; Mikhail I. Kodess; Vyacheslav Ya. Sosnovskikh


Book ID
113798690
Publisher
Royal Society of Chemistry
Year
2011
Tongue
English
Weight
341 KB
Volume
21
Category
Article
ISSN
0959-9436

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πŸ“œ SIMILAR VOLUMES


ChemInform Abstract: Unexpected Spontane
✍ Vladislav Yu. Korotaev; Alexey Yu. Barkov; Pavel A. Slepukhin; Mikhail I. Kodess πŸ“‚ Article πŸ“… 2012 πŸ› John Wiley and Sons βš– 29 KB πŸ‘ 2 views

## Abstract Reactions of cyclohexanone‐derived enamines (I) with nitrobutene (II) affords cyclic nitronates (III) instead of the expected isomeric nitrones of type (V).

Polyfunctionalized hexahydro-1 (2H)-pent
✍ G. Barbarella; S. BrΓΌckner; G. Pitacco; E. Valentin πŸ“‚ Article πŸ“… 1984 πŸ› Elsevier Science 🌐 French βš– 666 KB

The title heterocycles rearrange into a mixture of diastereoisomeric hexahydro-l(ZH)-pentalenone derivatives, which undergo nucleophilic eliminative ring fission by methanol to give I-amino-2-nitroalkylated cyclopentancarboxylic esters. The X-ray structure determination of hexahydro-2-methyl-2-nitro