ES375492A1 - PROCESS FOR THE PRODUCTION OF alpha-SUBSTITUTED BENZOINS AND BENZOIN ETHERS - Google Patents

PROCESS FOR THE PRODUCTION OF alpha-SUBSTITUTED BENZOINS AND BENZOIN ETHERS

Info

Publication number
ES375492A1
ES375492A1 ES375492A ES375492A ES375492A1 ES 375492 A1 ES375492 A1 ES 375492A1 ES 375492 A ES375492 A ES 375492A ES 375492 A ES375492 A ES 375492A ES 375492 A1 ES375492 A1 ES 375492A1
Authority
ES
Spain
Prior art keywords
alkyl
formula
signifies
alpha
production
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES375492A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of ES375492A1 publication Critical patent/ES375492A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/46—Polymerisation initiated by wave energy or particle radiation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C321/00—Thiols, sulfides, hydropolysulfides or polysulfides
    • 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
    • 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
    • C07C45/70—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 with functional groups containing oxygen only in singly bound form
    • C07C45/71—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 with functional groups containing oxygen only in singly bound form being hydroxy 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
    • C07C49/83—Ketones containing a keto group bound to a six-membered aromatic ring containing hydroxy groups polycyclic
    • 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
    • C07C49/835—Ketones containing a keto group bound to a six-membered aromatic ring containing hydroxy groups having unsaturation outside an aromatic ring
    • 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
    • C07C49/84—Ketones containing a keto group bound to a six-membered aromatic ring containing ether groups, groups, groups, or groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

Procedure for obtaining the benzoin derivatives of formula I: **(See formula)** where R1 is the same or different from R2 and R1 and R2 signify hydrogen, alkyl, alkoxy and/or halogen and R3 signifies alkyl, alkenyl, cycloalkyl, aryl or aralkyl, R4 signifies hydrogen, alkyl, alkenyl, cycloalkyl, aryl or aralkyl and X signifies oxygen or sulfur, characterized in that compounds of formula II; **(See formula)** they are reacted in the presence of bases, preferably aqueous bases, in dipolar aprotic solvents, preferably dialkyl sulfoxides, at temperatures between about 0 and 100 °, preferably around 30ºC, with electrophilic agents. (Machine-translation by Google Translate, not legally binding)
ES375492A 1969-01-16 1970-01-16 PROCESS FOR THE PRODUCTION OF alpha-SUBSTITUTED BENZOINS AND BENZOIN ETHERS Expired ES375492A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691902051 DE1902051A1 (en) 1969-01-16 1969-01-16 Process for the production of alpha-substituted benzoins and benzoin ethers

Publications (1)

Publication Number Publication Date
ES375492A1 true ES375492A1 (en) 1972-05-16

Family

ID=5722576

Family Applications (1)

Application Number Title Priority Date Filing Date
ES375492A Expired ES375492A1 (en) 1969-01-16 1970-01-16 PROCESS FOR THE PRODUCTION OF alpha-SUBSTITUTED BENZOINS AND BENZOIN ETHERS

Country Status (11)

Country Link
JP (1) JPS4930831B1 (en)
AT (1) AT295504B (en)
AU (1) AU1033470A (en)
BE (1) BE744510A (en)
CH (1) CH524559A (en)
DE (1) DE1902051A1 (en)
ES (1) ES375492A1 (en)
FR (1) FR2028477A1 (en)
GB (1) GB1291696A (en)
NL (1) NL7000525A (en)
SE (1) SE375520B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2514680A1 (en) * 1975-04-04 1976-10-14 Bayer Ag BENZOINE TERT.-BUTYL ETHER
JPS5299553U (en) * 1976-01-26 1977-07-27
US4318791A (en) * 1977-12-22 1982-03-09 Ciba-Geigy Corporation Use of aromatic-aliphatic ketones as photo sensitizers

Also Published As

Publication number Publication date
JPS4930831B1 (en) 1974-08-16
AT295504B (en) 1972-01-10
BE744510A (en) 1970-07-16
SE375520B (en) 1975-04-21
CH524559A (en) 1972-06-30
DE1902051A1 (en) 1970-08-13
AU1033470A (en) 1971-07-22
NL7000525A (en) 1970-07-20
GB1291696A (en) 1972-10-04
FR2028477A1 (en) 1970-10-09

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