BR7400335D0 - Processo para a preparacao de anidrido de acido 4-bromonaftalico - Google Patents
Processo para a preparacao de anidrido de acido 4-bromonaftalicoInfo
- Publication number
- BR7400335D0 BR7400335D0 BR335/74A BR33574A BR7400335D0 BR 7400335 D0 BR7400335 D0 BR 7400335D0 BR 335/74 A BR335/74 A BR 335/74A BR 33574 A BR33574 A BR 33574A BR 7400335 D0 BR7400335 D0 BR 7400335D0
- Authority
- BR
- Brazil
- Prior art keywords
- bromonaftalic
- preparation
- acid anhydride
- anhydride
- acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C07C63/68—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings containing halogen
- C07C63/72—Polycyclic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrane Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2302372A DE2302372A1 (de) | 1973-01-18 | 1973-01-18 | Verfahren zur herstellung von 4bromnaphthalsaeureanhydrid |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7400335D0 true BR7400335D0 (pt) | 1974-08-22 |
Family
ID=5869315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR335/74A BR7400335D0 (pt) | 1973-01-18 | 1974-01-17 | Processo para a preparacao de anidrido de acido 4-bromonaftalico |
Country Status (11)
Country | Link |
---|---|
US (1) | US3954810A (pt) |
JP (1) | JPS49116046A (pt) |
AR (1) | AR197433A1 (pt) |
BR (1) | BR7400335D0 (pt) |
CA (1) | CA1013753A (pt) |
CH (1) | CH601282A5 (pt) |
DE (1) | DE2302372A1 (pt) |
FR (1) | FR2214679B1 (pt) |
GB (1) | GB1451528A (pt) |
IN (1) | IN139925B (pt) |
IT (1) | IT1006944B (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3411196A1 (de) * | 1984-03-27 | 1985-10-10 | Rütgerswerke AG, 6000 Frankfurt | Verfahren zur herstellung von 4-halogennaphthalsaeureanhydriden |
DE4216796A1 (de) * | 1992-05-21 | 1993-11-25 | Cassella Ag | Verfahren zur Herstellung von 4-(2-Aminophenylthio)- naphthalsäureanhydrid-Derivaten |
US20120309973A1 (en) | 2011-06-06 | 2012-12-06 | Divi's Laboratories Limited | Preparation of 2-(4-bromophenyl)-2-methylpropanoic acid |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2211465A (en) * | 1939-09-22 | 1940-08-13 | Max Factor & Co | Manufacture of brominated phthalic acid |
US2394268A (en) * | 1944-07-11 | 1946-02-05 | American Cyanamid Co | Bromination of aromatic acids |
DE1154799B (de) * | 1962-04-19 | 1963-09-26 | Hoechst Ag | Verfahren zur Herstellung von 4, 5-Dichlor- und 4, 5-Dibrom-naphthalin-1, 8-dicarbonsaeureanhydrid |
US3646069A (en) * | 1968-06-19 | 1972-02-29 | Sandoz Ltd | Process for manufacturing a naphthalic acid derivative |
-
1973
- 1973-01-18 DE DE2302372A patent/DE2302372A1/de active Pending
-
1974
- 1974-01-10 IN IN75/CAL/74A patent/IN139925B/en unknown
- 1974-01-15 CH CH52274A patent/CH601282A5/xx not_active IP Right Cessation
- 1974-01-16 AR AR251957A patent/AR197433A1/es active
- 1974-01-16 US US05/433,795 patent/US3954810A/en not_active Expired - Lifetime
- 1974-01-16 IT IT19490/74A patent/IT1006944B/it active
- 1974-01-17 BR BR335/74A patent/BR7400335D0/pt unknown
- 1974-01-17 JP JP49007588A patent/JPS49116046A/ja active Pending
- 1974-01-17 CA CA190,364A patent/CA1013753A/en not_active Expired
- 1974-01-18 GB GB242974A patent/GB1451528A/en not_active Expired
- 1974-01-18 FR FR7401722A patent/FR2214679B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AR197433A1 (es) | 1974-04-05 |
US3954810A (en) | 1976-05-04 |
GB1451528A (en) | 1976-10-06 |
DE2302372A1 (de) | 1974-07-25 |
FR2214679A1 (pt) | 1974-08-19 |
IT1006944B (it) | 1976-10-20 |
JPS49116046A (pt) | 1974-11-06 |
FR2214679B1 (pt) | 1977-09-23 |
CH601282A5 (pt) | 1978-07-14 |
CA1013753A (en) | 1977-07-12 |
IN139925B (pt) | 1976-08-21 |
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