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Esimerkit

• The configurations around the double bond in the side chain are based on considerations of the Raman spectra, dielectric constants, etc., and on comparatively small differences in reactivity; for example, neo-α-irone is converted into irene less readily than α-irone, but forms an oxime more rapidly; [...]
• Ruzicka and his co-workers showed that the hydrocarbon irene, obtained on reduction of irone with red phosphorus/iodine, had the structure shown and this was confirmed by synthesis [...]
• Practically no isomerization of ɑ- or γ-irone into β-irone, or of γ-irone into ɑ-irone takes place; nor is irene formed from the irones.