IT1050702B - Procedimento per la preparazione di derivati della pirocatechina - Google Patents

Procedimento per la preparazione di derivati della pirocatechina

Info

Publication number
IT1050702B
IT1050702B IT25551/69A IT2555169A IT1050702B IT 1050702 B IT1050702 B IT 1050702B IT 25551/69 A IT25551/69 A IT 25551/69A IT 2555169 A IT2555169 A IT 2555169A IT 1050702 B IT1050702 B IT 1050702B
Authority
IT
Italy
Prior art keywords
procedure
preparation
pyrocatechin
derivatives
pyrocatechin derivatives
Prior art date
Application number
IT25551/69A
Other languages
English (en)
Original Assignee
Hoffmann La Roche
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Application granted granted Critical
Publication of IT1050702B publication Critical patent/IT1050702B/it

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/04Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D307/10Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D307/12Radicals substituted by oxygen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/01Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
    • C07C37/055Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis the substituted group being bound to oxygen, e.g. ether group
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/82Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by solid-liquid treatment; by chemisorption
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00Ethers; Compounds having groups, groups or groups
    • C07C43/02Ethers
    • C07C43/20Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
    • C07C43/205Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring the aromatic ring being a non-condensed ring
    • C07C43/2055Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring the aromatic ring being a non-condensed ring containing more than one ether bond
    • CCHEMISTRY; METALLURGY
    • 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
    • CCHEMISTRY; METALLURGY
    • 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
    • C07C45/63Preparation 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 introduction of halogen; by substitution of halogen atoms by other halogen atoms
    • CCHEMISTRY; METALLURGY
    • 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
    • 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/84Ketones containing a keto group bound to a six-membered aromatic ring containing ether groups, groups, groups, or groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00Indexing scheme relating to specific properties of organic compounds
    • C07B2200/07Optical isomers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IT25551/69A 1968-12-09 1969-12-09 Procedimento per la preparazione di derivati della pirocatechina IT1050702B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78241468A 1968-12-09 1968-12-09

Publications (1)

Publication Number Publication Date
IT1050702B true IT1050702B (it) 1981-03-20

Family

ID=25125975

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25551/69A IT1050702B (it) 1968-12-09 1969-12-09 Procedimento per la preparazione di derivati della pirocatechina

Country Status (9)

Country Link
US (1) US3769350A (it)
BE (1) BE742772A (it)
CH (2) CH539592A (it)
DE (1) DE1961778A1 (it)
FR (1) FR2025696A1 (it)
GB (2) GB1261629A (it)
IT (1) IT1050702B (it)
NL (1) NL6918392A (it)
SE (1) SE377559B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562298A (en) * 1982-10-25 1985-12-31 Chemex Pharmaceuticals, Inc. Optically active nordihydroguaiaretic acid and intermediates
US5010100A (en) * 1983-11-14 1991-04-23 Merck & Co. Inc. Certain 2,5-diaryl tetrahydrofurans and analogs thereof as PAF antagonists
NZ215866A (en) * 1985-04-22 1989-11-28 Merck & Co Inc 2,5-di(aryl/heterocyclyl) tetrahydro-furans and pharmaceutical compositions
AU654937B2 (en) * 1985-11-04 1994-12-01 Block Drug Company Inc., The Racemic nordihydroguaiaretic acid and intermediates
US4954659A (en) * 1987-10-21 1990-09-04 Chemex Pharmaceuticals, Inc. 1,4-bis (dihydroxyphenyl) butane and analogs
US4996203A (en) * 1987-12-21 1991-02-26 Merck & Co., Inc. 2,5-diaryl tetrahydrofurans and analogs thereof as PAF antagonists
NZ227287A (en) * 1987-12-21 1992-01-29 Merck & Co Inc 2,5-diaryl tetrahydrofurans and medicaments
US4977146A (en) * 1989-06-08 1990-12-11 Merck & Co., Inc. 2,5-diaryl tetrahydrofurans and analogs thereof as PAF antagonists
US5011847A (en) * 1989-06-08 1991-04-30 Merck & Co., Inc. 2,5-diaryl tetrahydrofurans and analogs thereof as PAF antagonists
US5001123A (en) * 1989-06-08 1991-03-19 Merck & Co., Inc. 2,5-diaryl tetrahydrofurans and analogs thereof as PAF antagonists
US5114961A (en) * 1989-06-08 1992-05-19 Merck & Co., Inc. 2,5-diaryl tetrahydrofurans and analogs thereof as PAF antagonists
EP1487770B1 (en) * 2002-03-27 2007-12-12 Council of Scientific and Industrial Research;an Indian Reg. body incorporated under Reg. of Societies Act (Act XXI of 1860) Formation of neolignan by ddq mediated dimerisation of dihydroasarone
WO2010014936A2 (en) 2008-08-01 2010-02-04 Erimos Pharmaceuticals Llc Scalable synthetic process for making terameprocol

Also Published As

Publication number Publication date
FR2025696A1 (it) 1970-09-11
CH533071A (de) 1973-01-31
GB1261630A (en) 1972-01-26
CH539592A (de) 1973-09-14
GB1261629A (en) 1972-01-26
US3769350A (en) 1973-10-30
NL6918392A (it) 1970-06-11
BE742772A (it) 1970-06-08
DE1961778A1 (de) 1970-06-18
SE377559B (it) 1975-07-14

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