IL89988A0 - Process for the preparation of 4-4'-dibromo-biphenyl in a strongly acidic medium - Google Patents
Process for the preparation of 4-4'-dibromo-biphenyl in a strongly acidic mediumInfo
- Publication number
- IL89988A0 IL89988A0 IL89988A IL8998889A IL89988A0 IL 89988 A0 IL89988 A0 IL 89988A0 IL 89988 A IL89988 A IL 89988A IL 8998889 A IL8998889 A IL 8998889A IL 89988 A0 IL89988 A0 IL 89988A0
- Authority
- IL
- Israel
- Prior art keywords
- dibromo
- biphenyl
- preparation
- strongly acidic
- acidic medium
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
- C07C17/12—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the ring of aromatic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8805330A FR2630434B1 (fr) | 1988-04-22 | 1988-04-22 | Procede de preparation du dibromo-4(prime)4 biphenyle en milieu acide fo |
Publications (1)
Publication Number | Publication Date |
---|---|
IL89988A0 true IL89988A0 (en) | 1989-12-15 |
Family
ID=9365553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL89988A IL89988A0 (en) | 1988-04-22 | 1989-04-17 | Process for the preparation of 4-4'-dibromo-biphenyl in a strongly acidic medium |
Country Status (5)
Country | Link |
---|---|
US (1) | US5015792A (ja) |
EP (1) | EP0338891A1 (ja) |
JP (1) | JPH01311035A (ja) |
FR (1) | FR2630434B1 (ja) |
IL (1) | IL89988A0 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5386069A (en) * | 1993-05-07 | 1995-01-31 | Eastman Chemical Company | Process for preparation of difluoro-tetraiodobenzene |
CN115745833B (zh) * | 2022-11-02 | 2024-07-05 | 宁夏中星显示材料有限公司 | 一种4-烷基-4’-氰基联苯的制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2019015A (en) * | 1933-11-11 | 1935-10-29 | Swann Res Inc | Halogenation of diphenyl |
US2452154A (en) * | 1942-04-15 | 1948-10-26 | Colgate Palmolive Peet Co | Bromination |
US2659760A (en) * | 1950-03-30 | 1953-11-17 | Dow Chemical Co | Bromination of benzene-series hydrocarbons |
US3011035A (en) * | 1957-09-06 | 1961-11-28 | Carter Parts Company | Electrical jack |
US3062289A (en) * | 1960-01-21 | 1962-11-06 | Charles E Foote | Oil well heater |
GB1029874A (en) * | 1964-06-19 | 1966-05-18 | Monsanto Chemicals | Halohydrocarbons |
US3518316A (en) * | 1968-07-08 | 1970-06-30 | Du Pont | Bromination process |
SU664955A1 (ru) * | 1977-07-06 | 1979-05-30 | Волгоградский Государственный Педагогический Институт Им.А.С.Серафимовича | Способ получени бромтолуолов |
-
1988
- 1988-04-22 FR FR8805330A patent/FR2630434B1/fr not_active Expired - Lifetime
-
1989
- 1989-04-12 EP EP89401000A patent/EP0338891A1/fr not_active Withdrawn
- 1989-04-17 IL IL89988A patent/IL89988A0/xx unknown
- 1989-04-20 JP JP1099020A patent/JPH01311035A/ja active Pending
- 1989-04-24 US US07/341,818 patent/US5015792A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2630434A1 (fr) | 1989-10-27 |
US5015792A (en) | 1991-05-14 |
FR2630434B1 (fr) | 1990-09-07 |
JPH01311035A (ja) | 1989-12-15 |
EP0338891A1 (fr) | 1989-10-25 |
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