[go: up one dir, main page]

Johnson et al., 1947 - Google Patents

Introduction of the Angular Methyl Group. III. The Alkoxymethylene Blocking Group1

Johnson et al., 1947

Document ID
5907329134603497511
Author
Johnson W
Posvic H
Publication year
Publication venue
Journal of the American Chemical Society

External Links

Snippet

A study of the dehydrogenation of 3-methyl-5-(j3-methoxyphenyl)-2-cyclohexen-1-one in boiling solvents with a palladium-carbon catalyst has shown that dehydrogenation to the corresponding phenol occurs readily at temperatures from 136 to 252. Yields of 78-84% may …
Continue reading at pubs.acs.org (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—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
    • 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
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/82—Ketones containing a keto group bound to a six-membered aromatic ring containing hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/02—Ethers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2101/00—Systems containing only non-condensed rings
    • C07C2101/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2101/16—The ring being unsaturated
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J1/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom, e.g. estrane, androstane

Similar Documents

Publication Publication Date Title
Johnson et al. Introduction of the Angular Methyl Group. III. The Alkoxymethylene Blocking Group1
Baran Method for the cleavage of osmate esters
Robinson et al. 7-Azaindole. I. Synthesis and conversion to 7-azatryptophan and other derivatives
Wilds et al. The preparation of derivatives of chrysene by means of the robinson-mannich base synthesis of unsaturated ketones
Sandin et al. Synthesis of 9, 10-dimethyl-1, 2-benzanthracene and of a thiophene isolog
Mehr et al. Tetraarylcyclopentadienes1
US2471697A (en) Process for reducing carbonyl compounds to their corresponding methylene analogues
Baker et al. 799. Attempts to prepare new aromatic systems. Part VI. 1: 2-5: 6-Dibenzopentalene and derivatives
Eisenbraun et al. Synthesis of polyalkyl-1-tetralones and the corresponding naphthalenes
Brown et al. The condensation of furan with carbonyl compounds
Kohler et al. The reaction between highly phenylated compounds and organic magnesium compounds
Fieser et al. Mechanism of the Oxidation of Anthracene with Lead Tetraacetate1
Burke et al. Condensation of 2-naphthol with acetaldehyde ammonia
Bradshaw et al. Photorearrangements of 2, 4-disubstituted phenyl esters
Koelsch Electrophilic Properties of Ethyl 3-Phenylindone-2-carboxylate
Harper 239. The active principles of leguminous fish-poison plants. Part II. The isolation of 1-elliptone from Derris elliptica
Fuson et al. Enediols. IV. cis—trans Isomerism
Mandelbaum et al. Polycyclic Studies. I. Synthesis of Triphenylenes Through Diels-Alder Adducts1
Snyder et al. 1-Cyano-1, 3-butadienes. 1 V. The Diels—Alder Adducts of 1-Cyano-1, 3-butadiene with Ethyl and Methyl Acrylate
Braude et al. 677. Studies in the vitamin d field. Part III. Approaches to derivatives of 5-hydroxy-2-methylcyclohexanone
Kohler et al. The Reaction Between Alkalies and Certain Nitrocyclopropane Derivatives
Fieser et al. The synthesis of methylcholanthrene
Jones et al. 158. Studies in the polyene series. Part VI. The preparation of ethinylcarbinols from αβ-unsaturated aldehydes
Harkins et al. Symmetrical dicyclohexyl hydrazine and related compounds
US2200307A (en) Male sex hormone compound