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WOLINSKY, 1961 - Google Patents

Ring Enlargement Produced by the Alkaline Fusion of ι-Bromocamphene

WOLINSKY, 1961

Document ID
774030826805082071
Author
WOLINSKY J
Publication year
Publication venue
The Journal of Organic Chemistry

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Snippet

It is shown that “dicamphenyl ether,” the major product produced by potassium hydroxide fusion of-bromocamphene (I), is a mixture composed largely of the ring expanded vinyl ethers (Villa) and (VIHb). The “Schmelzketon,” a minor product from the alkaline fusion of I …
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    • 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
    • C07C45/72Preparation 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
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/753Unsaturated compounds containing a keto groups being part of a ring containing ether groups, groups, groups, or groups
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
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    • C07C49/587Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/687Unsaturated compounds containing a keto groups being part of a ring containing halogen
    • C07C49/697Unsaturated compounds containing a keto groups being part of a ring containing halogen containing six-membered aromatic rings
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
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    • C07C2103/02Ortho- or ortho- and peri-condensed systems
    • C07C2103/04Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2103/06Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
    • C07C2103/10Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
    • C07C2103/12Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
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    • C07D311/58Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulfur atoms in positions 2 or 4
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