DE2133897C3 - Verfahren zur Herstellung von 4,4'-Dibrombenzil - Google Patents

Verfahren zur Herstellung von 4,4'-Dibrombenzil

Info

Publication number
DE2133897C3
DE2133897C3 DE2133897A DE2133897A DE2133897C3 DE 2133897 C3 DE2133897 C3 DE 2133897C3 DE 2133897 A DE2133897 A DE 2133897A DE 2133897 A DE2133897 A DE 2133897A DE 2133897 C3 DE2133897 C3 DE 2133897C3
Authority
DE
Germany
Prior art keywords
dibromobenzil
acid
benzoin
mol
urea
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
DE2133897A
Other languages
German (de)
English (en)
Other versions
DE2133897A1 (enExample
DE2133897B2 (de
Inventor
Hermann Dr. Fuellinsdorf Kny
Alexander Dr. Muttenz Sieber
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.)
Novartis AG
Agripat SA
Original Assignee
Ciba Geigy AG
Agripat SA
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 Ciba Geigy AG, Agripat SA filed Critical Ciba Geigy AG
Publication of DE2133897A1 publication Critical patent/DE2133897A1/de
Publication of DE2133897B2 publication Critical patent/DE2133897B2/de
Application granted granted Critical
Publication of DE2133897C3 publication Critical patent/DE2133897C3/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D233/70—One oxygen atom
    • 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
    • C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE2133897A 1970-07-08 1971-07-07 Verfahren zur Herstellung von 4,4'-Dibrombenzil Expired DE2133897C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5330370A 1970-07-08 1970-07-08

Publications (3)

Publication Number Publication Date
DE2133897A1 DE2133897A1 (enExample) 1972-01-27
DE2133897B2 DE2133897B2 (de) 1980-03-27
DE2133897C3 true DE2133897C3 (de) 1980-11-13

Family

ID=21983272

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2133897A Expired DE2133897C3 (de) 1970-07-08 1971-07-07 Verfahren zur Herstellung von 4,4'-Dibrombenzil

Country Status (14)

Country Link
JP (1) JPS5626646B1 (enExample)
AT (1) AT305993B (enExample)
BE (1) BE769611A (enExample)
CA (1) CA961506A (enExample)
CH (1) CH551936A (enExample)
CS (1) CS160682B2 (enExample)
DE (1) DE2133897C3 (enExample)
FR (1) FR2100344A5 (enExample)
GB (1) GB1340610A (enExample)
IL (1) IL37251A (enExample)
NL (1) NL176555C (enExample)
PL (1) PL70890B1 (enExample)
SU (1) SU404224A3 (enExample)
YU (1) YU34655B (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL97724C (enExample) * 1956-11-21

Also Published As

Publication number Publication date
IL37251A0 (en) 1971-10-20
FR2100344A5 (enExample) 1972-03-17
CH551936A (de) 1974-07-31
DE2133897A1 (enExample) 1972-01-27
GB1340610A (en) 1973-12-12
DE2133897B2 (de) 1980-03-27
SU404224A3 (enExample) 1973-10-26
AT305993B (de) 1973-03-26
CS160682B2 (enExample) 1975-03-28
CA961506A (en) 1975-01-21
IL37251A (en) 1974-01-14
JPS5626646B1 (enExample) 1981-06-19
NL7109414A (enExample) 1972-01-11
NL176555B (nl) 1984-12-03
NL176555C (nl) 1985-05-01
BE769611A (fr) 1972-01-07
YU177671A (en) 1979-07-10
PL70890B1 (enExample) 1974-04-30
YU34655B (en) 1979-12-31

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Legal Events

Date Code Title Description
OD Request for examination
C3 Grant after two publication steps (3rd publication)