GB1340610A - Process for production of 4,4-dibromobenzil - Google Patents

Process for production of 4,4-dibromobenzil

Info

Publication number
GB1340610A
GB1340610A GB3197571A GB3197571A GB1340610A GB 1340610 A GB1340610 A GB 1340610A GB 3197571 A GB3197571 A GB 3197571A GB 3197571 A GB3197571 A GB 3197571A GB 1340610 A GB1340610 A GB 1340610A
Authority
GB
United Kingdom
Prior art keywords
acid
dibromobenzil
bromine
july
carried out
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
GB3197571A
Other languages
English (en)
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.)
GRIPAT SA
Novartis AG
Original Assignee
GRIPAT SA
Ciba Geigy 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 GRIPAT SA, Ciba Geigy AG filed Critical GRIPAT SA
Publication of GB1340610A publication Critical patent/GB1340610A/en
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)
GB3197571A 1970-07-08 1971-07-07 Process for production of 4,4-dibromobenzil Expired GB1340610A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1340610A true GB1340610A (en) 1973-12-12

Family

ID=21983272

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3197571A Expired GB1340610A (en) 1970-07-08 1971-07-07 Process for production of 4,4-dibromobenzil

Country Status (14)

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

Family Cites Families (1)

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

Also Published As

Publication number Publication date
DE2133897B2 (de) 1980-03-27
BE769611A (fr) 1972-01-07
YU177671A (en) 1979-07-10
IL37251A (en) 1974-01-14
CA961506A (en) 1975-01-21
CS160682B2 (de) 1975-03-28
NL176555B (nl) 1984-12-03
AT305993B (de) 1973-03-26
IL37251A0 (en) 1971-10-20
DE2133897A1 (de) 1972-01-27
CH551936A (de) 1974-07-31
FR2100344A5 (de) 1972-03-17
PL70890B1 (de) 1974-04-30
JPS5626646B1 (de) 1981-06-19
SU404224A3 (de) 1973-10-26
NL176555C (nl) 1985-05-01
NL7109414A (de) 1972-01-11
DE2133897C3 (de) 1980-11-13
YU34655B (en) 1979-12-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years