IT1104770B - Procedimento per l'ottonimento di 4,4-isopropilideno bis(2,6-dibromo)fenolo - Google Patents
Procedimento per l'ottonimento di 4,4-isopropilideno bis(2,6-dibromo)fenoloInfo
- Publication number
- IT1104770B IT1104770B IT23130/77A IT2313077A IT1104770B IT 1104770 B IT1104770 B IT 1104770B IT 23130/77 A IT23130/77 A IT 23130/77A IT 2313077 A IT2313077 A IT 2313077A IT 1104770 B IT1104770 B IT 1104770B
- Authority
- IT
- Italy
- Prior art keywords
- isopropylideno
- dibromo
- brushing
- phenol
- bis
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/62—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by introduction of halogen; by substitution of halogen atoms by other halogen atoms
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 |
---|---|---|---|
PL1976189331A PL103336B1 (pl) | 1976-05-04 | 1976-05-04 | Sposob wytwarzania 4,4'-izopropylidenobis/2,6-dwubromo/fenolu |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1104770B true IT1104770B (it) | 1985-10-28 |
Family
ID=19976725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23130/77A IT1104770B (it) | 1976-05-04 | 1977-05-03 | Procedimento per l'ottonimento di 4,4-isopropilideno bis(2,6-dibromo)fenolo |
Country Status (9)
Country | Link |
---|---|
US (1) | US4112242A (it) |
JP (1) | JPS5390252A (it) |
BE (1) | BE854063A (it) |
DE (1) | DE2718997A1 (it) |
FR (1) | FR2350321A1 (it) |
GB (1) | GB1515661A (it) |
IT (1) | IT1104770B (it) |
NL (1) | NL7704775A (it) |
PL (1) | PL103336B1 (it) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4451675A (en) * | 1982-07-16 | 1984-05-29 | The Dow Chemical Company | Preparation of alkylidenebis(dibromophenol) |
US4661644A (en) * | 1985-09-09 | 1987-04-28 | The Dow Chemical Company | Brominated epoxyaromatic compounds |
US4783556A (en) * | 1985-09-23 | 1988-11-08 | Ethyl Corporation | Tetrabromobisphenol-A process |
US4628124A (en) * | 1985-09-23 | 1986-12-09 | Ethyl Corporation | Tetrabromobisphenol-A process |
US5017728A (en) * | 1990-08-20 | 1991-05-21 | Ethyl Corporation | Tetrabromobisphenol-A process |
US5107035A (en) * | 1990-11-15 | 1992-04-21 | Ethyl Corporation | Process for high purity tetrabromobisphenol-A |
US5208389A (en) * | 1992-04-01 | 1993-05-04 | Ethyl Corporation | Process for high purity tetrabromobisphenol-A |
US5283375A (en) * | 1992-04-01 | 1994-02-01 | Ethyl Corporation | Process for high purity tetrabromobisphenol-A |
US6235946B1 (en) | 1995-03-06 | 2001-05-22 | Albemarle Corporation | Process for the preparation of tetrabromobisphenol-A |
JP4112000B2 (ja) * | 1995-03-06 | 2008-07-02 | アルベマール・コーポレーシヨン | テトラブロモビスフェノール−aの製造方法 |
US6084137A (en) * | 1995-03-06 | 2000-07-04 | Albemarle Corporation | Process for the preparation of tetrabromobisphenol-A |
US5527971A (en) * | 1995-04-24 | 1996-06-18 | Albemarle Corporation | Process for the preparation of tetrabromobisphenol-A |
US6218584B1 (en) | 1995-03-06 | 2001-04-17 | Albemarle Corporation | Process for the preparation of tetrabromobisphenol-A |
US6002050A (en) * | 1995-03-06 | 1999-12-14 | Albemarle Corporation | Process for the preparation of tetrabromobisphenol-A |
US6084136A (en) * | 1995-03-06 | 2000-07-04 | Albmarle Corporation | Process for the preparation of tetrabromobisphenol-A |
US6147264A (en) * | 1999-04-08 | 2000-11-14 | Albemarle Corporation | Process for producing tetrabromobisphenol-A |
US6365786B1 (en) * | 2001-01-22 | 2002-04-02 | Council Of Scientific And Industrial Research | Eco-friendly method of preparation of high purity tetrabromobisphenol-A |
CN103896738B (zh) * | 2014-04-28 | 2016-05-11 | 潍坊汇韬化工有限公司 | 一种用气体溴制备2,4,6-三溴苯酚的装置及其工艺 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3012035A (en) * | 1959-02-24 | 1961-12-05 | Monsanto Chemicals | Ionic bromination of aromatic and aliphatic compounds without hbr formation |
US3029291A (en) * | 1959-03-12 | 1962-04-10 | Dow Chemical Co | Method for making alkylidenebis |
US3546302A (en) * | 1964-04-03 | 1970-12-08 | Dow Chemical Co | Process for brominating phenols |
CH537350A (de) * | 1970-12-23 | 1973-05-31 | Sir Soc Italiana Resine Spa | Procedimento per la preparazione di beta,beta'-bis-(3,5--dibromo-4-ossifenil)-propano |
DE2227439B2 (de) * | 1972-06-06 | 1977-05-05 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Chlorierung oder bromierung phenolischer verbindungen |
-
1976
- 1976-05-04 PL PL1976189331A patent/PL103336B1/pl unknown
-
1977
- 1977-04-25 US US05/790,568 patent/US4112242A/en not_active Expired - Lifetime
- 1977-04-28 DE DE19772718997 patent/DE2718997A1/de not_active Withdrawn
- 1977-04-28 BE BE177100A patent/BE854063A/xx unknown
- 1977-04-29 GB GB17913/77A patent/GB1515661A/en not_active Expired
- 1977-05-02 NL NL7704775A patent/NL7704775A/xx not_active Application Discontinuation
- 1977-05-03 IT IT23130/77A patent/IT1104770B/it active
- 1977-05-04 FR FR7713532A patent/FR2350321A1/fr active Granted
- 1977-05-04 JP JP5088877A patent/JPS5390252A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2350321A1 (fr) | 1977-12-02 |
PL103336B1 (pl) | 1979-05-31 |
JPS5390252A (en) | 1978-08-08 |
DE2718997A1 (de) | 1977-11-17 |
US4112242A (en) | 1978-09-05 |
NL7704775A (nl) | 1977-11-08 |
PL189331A1 (pl) | 1978-01-02 |
FR2350321B3 (it) | 1980-03-07 |
BE854063A (fr) | 1977-08-16 |
GB1515661A (en) | 1978-06-28 |
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