IL96792A - Catalytic bromination of ortho-xylene in the dark - Google Patents
Catalytic bromination of ortho-xylene in the darkInfo
- Publication number
- IL96792A IL96792A IL9679290A IL9679290A IL96792A IL 96792 A IL96792 A IL 96792A IL 9679290 A IL9679290 A IL 9679290A IL 9679290 A IL9679290 A IL 9679290A IL 96792 A IL96792 A IL 96792A
- Authority
- IL
- Israel
- Prior art keywords
- dimethyl
- bromobenzene
- xylene
- reaction
- bromination
- 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)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL9679290A IL96792A (en) | 1990-12-26 | 1990-12-26 | Catalytic bromination of ortho-xylene in the dark |
DE69113232T DE69113232D1 (de) | 1990-12-26 | 1991-12-23 | Verfahren zur Bromierung von Ortho-Xylol. |
EP91122166A EP0492594B1 (en) | 1990-12-26 | 1991-12-23 | Bromination of ortho-xylene |
JP3344266A JPH04352736A (ja) | 1990-12-26 | 1991-12-26 | オルトキシレンの臭素化 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL9679290A IL96792A (en) | 1990-12-26 | 1990-12-26 | Catalytic bromination of ortho-xylene in the dark |
Publications (2)
Publication Number | Publication Date |
---|---|
IL96792A0 IL96792A0 (en) | 1991-09-16 |
IL96792A true IL96792A (en) | 1994-11-28 |
Family
ID=11061890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL9679290A IL96792A (en) | 1990-12-26 | 1990-12-26 | Catalytic bromination of ortho-xylene in the dark |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0492594B1 (ja) |
JP (1) | JPH04352736A (ja) |
DE (1) | DE69113232D1 (ja) |
IL (1) | IL96792A (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL115090A (en) * | 1995-08-28 | 2001-04-30 | Bromine Compounds Ltd | PROCESS FOR THE PREPARATION OF p-BROMOFLUOROBENZENE |
US6307113B1 (en) | 1999-03-26 | 2001-10-23 | Albemarle Corporation | Selective bromination of aromatic compounds |
WO2016071921A2 (en) * | 2014-11-07 | 2016-05-12 | Excell Industries Ltd. | A novel route for preparation of l,3:2,4-bis-(3,4- d im eth ylb enzylidene)so rb ito l |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2591498A (en) * | 1949-04-13 | 1952-04-01 | Standard Oil Dev Co | Process for brominating xylene |
US2659760A (en) * | 1950-03-30 | 1953-11-17 | Dow Chemical Co | Bromination of benzene-series hydrocarbons |
US3012035A (en) * | 1959-02-24 | 1961-12-05 | Monsanto Chemicals | Ionic bromination of aromatic and aliphatic compounds without hbr formation |
WO1991013047A1 (en) * | 1990-02-22 | 1991-09-05 | Amoco Corporation | PREPARATION OF 4-BROMO-o-XYLENE |
-
1990
- 1990-12-26 IL IL9679290A patent/IL96792A/en not_active IP Right Cessation
-
1991
- 1991-12-23 EP EP91122166A patent/EP0492594B1/en not_active Expired - Lifetime
- 1991-12-23 DE DE69113232T patent/DE69113232D1/de not_active Expired - Lifetime
- 1991-12-26 JP JP3344266A patent/JPH04352736A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH04352736A (ja) | 1992-12-07 |
IL96792A0 (en) | 1991-09-16 |
EP0492594B1 (en) | 1995-09-20 |
DE69113232D1 (de) | 1995-10-26 |
EP0492594A1 (en) | 1992-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
KB | Patent renewed | ||
MM9K | Patent not in force due to non-payment of renewal fees |