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Hardegger et al., 1959 - Google Patents

Relative Configurations of the Two 1-Keto-6-hydroxyspiro [4.4] nonanes and the Three 1, 6-Dihydroxyspiro [4.4] nonanes1

Hardegger et al., 1959

Document ID
9874177207297269519
Author
Hardegger E
Maeder E
Semarne H
Cram D
Publication year
Publication venue
Journal of the American Chemical Society

External Links

Snippet

The objectives of this research were fourfold:(1) toprepare derivatives of the two diastereomers of ketol I;(2) to preparethe three diastereomers of diol II;(3) to convert each ketol to a mixture of two diols, and thus establish theconfiguration of that diol produced from …
Continue reading at pubs.acs.org (other versions)

Classifications

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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation 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
    • C07C45/67Preparation 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
    • C07C45/68Preparation 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
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2101/00Systems containing only non-condensed rings
    • C07C2101/12Systems containing only non-condensed rings with a six-membered ring
    • C07C2101/16The ring being unsaturated
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2101/00Systems containing only non-condensed rings
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    • C07C2101/14The ring being saturated
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2103/00Systems containing at least three condensed rings
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    • C07C2103/04Ortho- or ortho- and peri-condensed systems containing three rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587Unsaturated compounds containing a keto groups being part of a ring
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/132Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
    • C07C29/136Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. -COOH
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
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    • C07C2101/06Systems containing only non-condensed rings with a five-membered ring
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/45Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/46Friedel-Crafts reactions
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    • C07C403/00Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone
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