PT83332A - Processo aperfeicoado para a preparacao de acido tetrafluorobenzoico - Google Patents
Processo aperfeicoado para a preparacao de acido tetrafluorobenzoicoInfo
- Publication number
- PT83332A PT83332A PT83332A PT8333286A PT83332A PT 83332 A PT83332 A PT 83332A PT 83332 A PT83332 A PT 83332A PT 8333286 A PT8333286 A PT 8333286A PT 83332 A PT83332 A PT 83332A
- Authority
- PT
- Portugal
- Prior art keywords
- preparation
- tetrafluorobenzoic acid
- prepared process
- prepared
- tetrafluorobenzoic
- 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
- C07C63/04—Monocyclic monocarboxylic acids
- C07C63/06—Benzoic acid
- C07C63/10—Halides thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/48—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
- C07D215/54—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3
- C07D215/56—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3 with oxygen atoms in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/04—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid halides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/08—Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
- C07C51/38—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups by decarboxylation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77349085A | 1985-09-09 | 1985-09-09 | |
| US06/860,728 US4782180A (en) | 1985-09-09 | 1986-05-07 | Process for tetrafluorobenzoic acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT83332A true PT83332A (pt) | 1986-10-01 |
| PT83332B PT83332B (pt) | 1989-01-17 |
Family
ID=27118765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT83332A PT83332B (pt) | 1985-09-09 | 1986-09-09 | Processo aperfeicoado para a preparacao de acido tetrafluorobenzoico |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4782180A (pt) |
| EP (1) | EP0218111B1 (pt) |
| KR (1) | KR950000642B1 (pt) |
| CN (1) | CN1014147B (pt) |
| AR (1) | AR240308A1 (pt) |
| AU (2) | AU590321B2 (pt) |
| CA (1) | CA1276175C (pt) |
| DE (1) | DE3672942D1 (pt) |
| DK (3) | DK427286A (pt) |
| ES (1) | ES2001422A6 (pt) |
| FI (1) | FI863597A (pt) |
| GR (1) | GR862276B (pt) |
| HU (1) | HU196164B (pt) |
| IE (1) | IE59223B1 (pt) |
| IL (1) | IL79761A (pt) |
| NO (1) | NO165755C (pt) |
| NZ (1) | NZ217476A (pt) |
| OA (1) | OA08407A (pt) |
| PT (1) | PT83332B (pt) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4885386A (en) * | 1988-10-28 | 1989-12-05 | Warner-Lambert Company | Process for the synthesis of 3-chloro-2,4,5-trifluorobenzoic acid |
| US5233085A (en) * | 1989-11-20 | 1993-08-03 | Occidental Chemical Corporation | Preparation of 2,4,5-trifluorobenzoic acid by decarboxylation of 3,4,6-trifluorophthalic acid |
| US4935541A (en) * | 1989-11-20 | 1990-06-19 | Occidental Chemical Corporation | Preparation of 2,4,5-trifluorobenzoic acid by decarboxylation of 3,4,6-trifluorophthalic anhydride |
| US4937377A (en) * | 1989-11-20 | 1990-06-26 | Occidental Chemical Corporation | Preparation of 3,4-difluorobenzoic acid by the decarboxylation of 4,5-difluorophthalic anhydride or 4,5-difluorophthalic acid |
| USH992H (en) | 1990-08-30 | 1991-11-05 | Occidental Chemical Corporation | Preparation of fluorobenzenes by the decarboxylation of fluorophthalic acids or benzoic acids |
| EP0510490B1 (de) * | 1991-04-25 | 1995-02-15 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von 2,3,4,5-Tetrafluorbenzoesäure |
| ES2059175T3 (es) * | 1991-04-25 | 1994-11-01 | Hoechst Ag | N-amino-3,4,5,6-tetrafluoro-ftalimidas sustituidas en n' y procedimiento para su preparacion. |
| DE59302798D1 (de) * | 1992-07-10 | 1996-07-11 | Hoechst Ag | Verfahren zur Herstellung von Tetrafluorphthalsäure und/oder Tetrafluorphthalsäureanhydrid |
| CN1053907C (zh) * | 1993-01-23 | 2000-06-28 | 辉瑞大药厂 | 生产三环化合物的方法 |
| US5329054A (en) * | 1993-07-19 | 1994-07-12 | Albemarle Corporation | Decarboxylation process |
| ES2126798T3 (es) * | 1994-02-23 | 1999-04-01 | Asahi Glass Co Ltd | Procedimiento de preparacion de anhidrido tetrafluoroftalico. |
| GB9404574D0 (en) * | 1994-03-08 | 1994-04-20 | Zeneca Ltd | Decarboxylation process |
| DE19627411A1 (de) * | 1996-07-09 | 1998-01-15 | Bayer Ag | Verfahren zur Decarboxylierung halogenierter aromatischer Carbonsäuren |
| EP1757598A4 (en) * | 2004-05-13 | 2010-07-21 | Daiichi Seiyaku Co | SUBSTITUTED PYRROLIDINE DERIVATIVE |
| JP4414314B2 (ja) * | 2004-09-29 | 2010-02-10 | ヤマハ発動機株式会社 | 表面実装機 |
| CN110423205B (zh) * | 2019-08-09 | 2020-09-08 | 内蒙古源宏精细化工有限公司 | 一种适于连续化生产的2,3,4,5-四氟-n-甲基苯甲酰胺的合成工艺 |
| CN111909035B (zh) * | 2020-08-18 | 2024-01-16 | 周敏 | 一种降低废弃物排放的四氟对苯二酸的制备方法 |
| CN112266360B (zh) * | 2020-10-26 | 2022-06-10 | 武汉桀升生物科技有限公司 | 一种高纯度组胺二盐酸盐的合成方法 |
| CN115417761B (zh) * | 2022-08-31 | 2024-04-02 | 福建华药生物技术有限公司 | 一种2,3,4,5-四氟苯甲酸的工业化连续生产方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2439237A (en) * | 1946-01-15 | 1948-04-06 | Gen Electric | Preparation of tetrahalogenated benzenes and benzoic acids |
| DE3318145A1 (de) * | 1983-05-18 | 1984-11-22 | Bayer Ag, 5090 Leverkusen | 7-amino-1-cyclopropyl-6,8-difluor-1,4-dihydro-4-oxo-3-chinolincarbonsaeuren, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel |
| JPS6185349A (ja) * | 1984-10-04 | 1986-04-30 | Nippon Shokubai Kagaku Kogyo Co Ltd | ２，３，４，５−テトラフルオロ安息香酸の製法 |
| US4769492A (en) * | 1985-03-13 | 1988-09-06 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Method for production of 2,3,4,5-tetrafluorobenzoic acid |
| DE3631906A1 (de) * | 1986-09-19 | 1988-03-31 | Bayer Ag | Verfahren zur herstellung von benzoesaeure-derivaten |
-
1986
- 1986-05-07 US US06/860,728 patent/US4782180A/en not_active Expired - Fee Related
- 1986-08-11 IE IE216286A patent/IE59223B1/en not_active IP Right Cessation
- 1986-08-18 IL IL79761A patent/IL79761A/xx unknown
- 1986-08-18 CA CA000516173A patent/CA1276175C/en not_active Expired - Fee Related
- 1986-08-21 AU AU61694/86A patent/AU590321B2/en not_active Ceased
- 1986-09-03 KR KR1019860007351A patent/KR950000642B1/ko active IP Right Grant
- 1986-09-05 NZ NZ217476A patent/NZ217476A/xx unknown
- 1986-09-05 OA OA58946A patent/OA08407A/xx unknown
- 1986-09-05 GR GR862276A patent/GR862276B/el unknown
- 1986-09-05 FI FI863597A patent/FI863597A/fi not_active Application Discontinuation
- 1986-09-08 HU HU863883A patent/HU196164B/hu not_active IP Right Cessation
- 1986-09-08 CN CN86106151A patent/CN1014147B/zh not_active Expired
- 1986-09-08 NO NO863574A patent/NO165755C/no unknown
- 1986-09-08 DK DK427286A patent/DK427286A/da not_active Application Discontinuation
- 1986-09-09 PT PT83332A patent/PT83332B/pt not_active IP Right Cessation
- 1986-09-09 EP EP86112472A patent/EP0218111B1/en not_active Expired - Lifetime
- 1986-09-09 ES ES8601731A patent/ES2001422A6/es not_active Expired
- 1986-09-09 AR AR305190A patent/AR240308A1/es active
- 1986-09-09 DE DE8686112472T patent/DE3672942D1/de not_active Expired - Fee Related
-
1989
- 1989-11-21 AU AU45401/89A patent/AU616578B2/en not_active Expired - Fee Related
-
1994
- 1994-08-03 DK DK090494A patent/DK90494A/da not_active Application Discontinuation
- 1994-08-03 DK DK090594A patent/DK90594A/da not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| AU590321B2 (en) | 1989-11-02 |
| ES2001422A6 (es) | 1988-05-16 |
| NO863574L (no) | 1987-03-10 |
| DK427286D0 (da) | 1986-09-08 |
| IE862162L (en) | 1987-03-09 |
| DK90594A (da) | 1994-08-03 |
| GR862276B (en) | 1987-01-02 |
| IL79761A0 (en) | 1986-11-30 |
| HUT43025A (en) | 1987-09-28 |
| NO863574D0 (no) | 1986-09-08 |
| CA1276175C (en) | 1990-11-13 |
| CN1014147B (zh) | 1991-10-02 |
| CN86106151A (zh) | 1987-06-03 |
| AU4540189A (en) | 1990-03-29 |
| EP0218111A1 (en) | 1987-04-15 |
| NO165755B (no) | 1990-12-27 |
| FI863597A0 (fi) | 1986-09-05 |
| IE59223B1 (en) | 1994-01-26 |
| PT83332B (pt) | 1989-01-17 |
| AR240308A1 (es) | 1990-03-30 |
| AU616578B2 (en) | 1991-10-31 |
| FI863597A (fi) | 1987-03-10 |
| EP0218111B1 (en) | 1990-07-25 |
| AU6169486A (en) | 1987-03-12 |
| DK90494A (da) | 1994-08-03 |
| DE3672942D1 (de) | 1990-08-30 |
| US4782180A (en) | 1988-11-01 |
| HU196164B (en) | 1988-10-28 |
| KR950000642B1 (ko) | 1995-01-26 |
| NO165755C (no) | 1991-04-10 |
| IL79761A (en) | 1990-11-05 |
| KR870003048A (ko) | 1987-04-14 |
| NZ217476A (en) | 1989-08-29 |
| OA08407A (en) | 1988-06-30 |
| DK427286A (da) | 1987-03-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| PT82342B (pt) | Processo para a preparacao de derivados do acido hialuronico | |
| PT83179B (pt) | Processo para a preparacao de carbinois aril-piperidinicos | |
| PT83152B (pt) | Processo para a preparacao de compostos di-t-butilfenoicos | |
| BR8602915A (pt) | Processo para a preparacao de misturas de determinados pares de enantiomeros do ester alfa-ciano-3-fenoxi-4-fluor-benzilico do acido permetrico | |
| PT82062B (pt) | Processo para a preparacao de compostos piridinilimidazolidinona | |
| PT83332A (pt) | Processo aperfeicoado para a preparacao de acido tetrafluorobenzoico | |
| PT82769B (pt) | Processo para a preparacao de derivados de acidos tiazolidino-4(s)-caboxilicos | |
| BR8601962A (pt) | Processo para a preparacao de compostos | |
| PT83180B (pt) | Processo para a preparacao de esteres aril-piperidinicos | |
| PT83344A (pt) | Processo para a preparacao de ypsilon-carbolinas antipsicoticas | |
| PT88365A (pt) | Processo para a preparacao de acidos 2-fenil-4-quinolino-carboxilicos substituidos | |
| PT82678B (pt) | Processo para a preparacao de compostos de cinolina | |
| BR8500934A (pt) | Processo para a preparacao de ester dimetilico de acido tereftalico | |
| PT80988B (pt) | Processo para a preparacao de derivados de acido quinolocarboxilico | |
| PT84073B (pt) | Processo para a preparacao de lactamas aminoglicosidicas do acido nor-colanico | |
| PT82903B (pt) | Processo para a preparacao dum derivado do acido quinolono-carboxilico | |
| PT83154B (pt) | Processo para a preparacao de quinolizino-sulfonamidas | |
| PT83450B (pt) | Processo para a preparacao de esteres do acido di-hidrolisergico | |
| BR8602094A (pt) | Processo para a preparacao de benzotiazolsulfenamidas | |
| PT82323B (pt) | Processo para a preparacao de alcanoilanilidas | |
| BR8600378A (pt) | Processo para a preparacao de vinilaminossilanos | |
| BR8603311A (pt) | Processo para a preparacao de novos derivados do acido benzoil-triazolil-acetico ou-tioacetico | |
| PT83620B (pt) | Processo para a preparacao de derivados do acido 6-(1-carbamoil-1-hidroximetil)penicilanico | |
| PT83831B (pt) | Processo para a preparacao de derivados do acido 4-aminobutanoico | |
| BR8406014A (pt) | Processo para a preparacao de acido 4-nitrotolueno-2-sulfonico |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 19921231 |