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Büchi et al., 1957 - Google Patents

Light-catalyzed Organic Reactions. VI. 1 The Isomerization of Some Dienones2, 3

Büchi et al., 1957

Document ID
13679085047728512288
Author
Büchi G
Yang N
Publication year
Publication venue
Journal of the American Chemical Society

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Snippet

The isomerization of four dienones has been studied./3-Ionone yielded pyran X and spiroketone IX containing a cyclo-propane ring. Irradiation of both pseudoionone and 6- methyl-3, 5-heptadiene-2-one led to polymers. trans-trans-Crotonylideneacetone was …
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    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
    • C—CHEMISTRY; METALLURGY
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    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
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