PT82833A - Process for preparing 3-amino-4-hydroxybenzoic acids - Google Patents
Process for preparing 3-amino-4-hydroxybenzoic acidsInfo
- Publication number
- PT82833A PT82833A PT82833A PT8283386A PT82833A PT 82833 A PT82833 A PT 82833A PT 82833 A PT82833 A PT 82833A PT 8283386 A PT8283386 A PT 8283386A PT 82833 A PT82833 A PT 82833A
- Authority
- PT
- Portugal
- Prior art keywords
- amino
- preparing
- hydroxybenzoic acids
- hydroxybenzoic
- acids
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C229/52—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/04—Formation of amino groups in compounds containing carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/38—Separation; Purification; Stabilisation; Use of additives
- C07C227/40—Separation; Purification
- C07C227/42—Crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74907985A | 1985-06-26 | 1985-06-26 | |
US06/827,996 US4835306A (en) | 1986-02-10 | 1986-02-10 | Preparation of 3-amino-4-hydroxybenzoic acids |
Publications (2)
Publication Number | Publication Date |
---|---|
PT82833A true PT82833A (en) | 1986-07-01 |
PT82833B PT82833B (pt) | 1988-12-15 |
Family
ID=27115049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT82833A PT82833B (pt) | 1985-06-26 | 1986-06-24 | Processo para a preparacao de acidos 3-amino-4-hidroxibenzoicos |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0206635B1 (pt) |
JP (1) | JPH0811745B2 (pt) |
KR (1) | KR940007526B1 (pt) |
AU (1) | AU586257B2 (pt) |
BR (1) | BR8602926A (pt) |
CA (1) | CA1262251A (pt) |
DE (1) | DE3666948D1 (pt) |
DK (1) | DK303786A (pt) |
ES (1) | ES8800659A1 (pt) |
FI (1) | FI862718A (pt) |
GR (1) | GR861636B (pt) |
IE (1) | IE59268B1 (pt) |
NO (1) | NO862548L (pt) |
PT (1) | PT82833B (pt) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4959492A (en) * | 1989-07-14 | 1990-09-25 | The Dow Chemical Company | Process to synthesize AB-PBO monomer and phosphate salts thereof |
CN102089437B (zh) | 2008-07-09 | 2014-11-05 | 味之素株式会社 | 生产氨基羟基苯甲酸盐类化合物的方法 |
CN103073432B (zh) * | 2013-01-16 | 2014-03-19 | 浙江华基生物技术有限公司 | 5-[2-氯-4-(三氟甲基)苯氧基]-2-硝基苯甲酸的合成方法 |
CN105237423A (zh) * | 2015-09-24 | 2016-01-13 | 营口三征新科技化工有限公司 | 3-氨基-4-羟基苯甲酸的制备方法 |
CN113372215B (zh) * | 2021-05-20 | 2024-05-24 | 吉林大学 | 一种用于合成对卤甲基苯甲酸酯的新型酯化方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3819680A (en) | 1970-05-28 | 1974-06-25 | Gaf Corp | Nitration of benzoic acid esters |
US3929864A (en) | 1973-08-27 | 1975-12-30 | Hoechst Ag | Process for preparing 4-hydroxy-3-nitrobenzoic acid alkyl esters |
AU1885083A (en) * | 1982-08-23 | 1984-03-07 | Australian National University, The | Process for the preparation of 3-amino-5-hydroxybenzoic acidsand derivatives and analogues thereof |
JPS6089451A (ja) * | 1983-10-24 | 1985-05-20 | Toray Ind Inc | 6−ニトロ−3−ヒドロキシ安息香酸の製造法 |
-
1986
- 1986-06-04 CA CA000510763A patent/CA1262251A/en not_active Expired
- 1986-06-10 DE DE8686304435T patent/DE3666948D1/de not_active Expired
- 1986-06-10 EP EP86304435A patent/EP0206635B1/en not_active Expired
- 1986-06-11 AU AU58526/86A patent/AU586257B2/en not_active Ceased
- 1986-06-24 PT PT82833A patent/PT82833B/pt not_active IP Right Cessation
- 1986-06-24 GR GR861636A patent/GR861636B/el unknown
- 1986-06-24 JP JP61146270A patent/JPH0811745B2/ja not_active Expired - Fee Related
- 1986-06-25 FI FI862718A patent/FI862718A/fi not_active Application Discontinuation
- 1986-06-25 NO NO862548A patent/NO862548L/no unknown
- 1986-06-25 ES ES556645A patent/ES8800659A1/es not_active Expired
- 1986-06-25 IE IE169886A patent/IE59268B1/en not_active IP Right Cessation
- 1986-06-25 BR BR8602926A patent/BR8602926A/pt unknown
- 1986-06-26 DK DK303786A patent/DK303786A/da not_active Application Discontinuation
- 1986-06-26 KR KR1019860005131A patent/KR940007526B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GR861636B (en) | 1986-10-30 |
JPH0811745B2 (ja) | 1996-02-07 |
NO862548D0 (no) | 1986-06-25 |
NO862548L (no) | 1986-12-29 |
ES556645A0 (es) | 1987-11-16 |
DE3666948D1 (en) | 1989-12-21 |
DK303786A (da) | 1986-12-27 |
IE861698L (en) | 1986-12-26 |
KR870000285A (ko) | 1987-02-17 |
AU5852686A (en) | 1987-01-08 |
BR8602926A (pt) | 1987-02-17 |
FI862718A (fi) | 1986-12-27 |
EP0206635B1 (en) | 1989-11-15 |
JPS6212750A (ja) | 1987-01-21 |
AU586257B2 (en) | 1989-07-06 |
FI862718A0 (fi) | 1986-06-25 |
ES8800659A1 (es) | 1987-11-16 |
PT82833B (pt) | 1988-12-15 |
IE59268B1 (en) | 1994-01-26 |
KR940007526B1 (ko) | 1994-08-19 |
DK303786D0 (da) | 1986-06-26 |
EP0206635A1 (en) | 1986-12-30 |
CA1262251A (en) | 1989-10-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
PT80698A (en) | Process for preparing indole-2-alkanoic acids | |
YU186887A (en) | Process for obtaining 1-terciaric-alkyl-substituted naphtiridine- and hynolin-carboxylic acids | |
EP0199943A3 (en) | Process for producing d-alpha-amino acids | |
HUT42441A (en) | Process for preparing indolyl- and indazolyl-carboxamide derivatives | |
EP0199997A3 (en) | Process for preparing diaryl-pentaerythritol | |
PT83293B (en) | Process for preparing dihidropyridine-2-hydroxyamines useful asmedicaments | |
PT83154A (en) | Process for preparing quinolizinesulphonamides | |
ZA863454B (en) | Process for preparing benzothiazolesulphenamides | |
HUT42766A (en) | Process for preparing n-sulfamyl-3-(2-guanidino-thiazolyl-4-methyl-thio)-propionamidine | |
PT82833A (en) | Process for preparing 3-amino-4-hydroxybenzoic acids | |
PT81988A (en) | Process for preparing novel alkylamino-furanone derivatives | |
CS435886A2 (en) | Process for preparing 2-brom-alfa-ergokryptine | |
HUT43022A (en) | Process for preparing monochloro-pinacolone | |
HUT44777A (en) | Process for producing halogen-thiophene-2-carboxylic acids | |
HUT43039A (en) | Process for preparing 4-hydroxy-2-oxo-pyrrolidin-1-yl-acetamide | |
HUT42769A (en) | Process for preparing pyridazodiazepines | |
HUT42438A (en) | Process for preparing novel 4-alkoxy-2-oxo-pyrrolidin-1-yl-acetic acid-alkylesters | |
PT82643A (en) | Process for preparing substituted hexanydro arylquinolizines | |
PT83959A (en) | Process for preparing novel substituted arylfluorazolylalkanols | |
HUT43060A (en) | Process for preparing azonia-spiro-nor-tropanol esters | |
HUT43813A (en) | Process for producing cyclohexane-alkan-carboxylic acids | |
HUT42066A (en) | Process for preparing 4-phenyl-propyl-indole derivatives | |
HUT42753A (en) | Process for preparing aryl-cyanamides | |
ZA869583B (en) | Process for preparing(s)-alpha-methylarylacetic acids | |
GB2185016B (en) | Process for preparing 3-phenoxybenzaldehydes |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 19931130 |