BR8002279A - Producao de tetrahidrofurano - Google Patents
Producao de tetrahidrofuranoInfo
- Publication number
- BR8002279A BR8002279A BR8002279A BR8002279A BR8002279A BR 8002279 A BR8002279 A BR 8002279A BR 8002279 A BR8002279 A BR 8002279A BR 8002279 A BR8002279 A BR 8002279A BR 8002279 A BR8002279 A BR 8002279A
- Authority
- BR
- Brazil
- Prior art keywords
- ether
- general formula
- represent
- image
- alkyl radical
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D55/00—Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts
- B23D55/08—Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts of devices for guiding or feeding strap saw blades
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D307/06—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
- C07D307/08—Preparation of tetrahydrofuran
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/03—Ethers having all ether-oxygen atoms bound to acyclic carbon atoms
- C07C43/14—Unsaturated ethers
- C07C43/15—Unsaturated ethers containing only non-aromatic carbon-to-carbon double bonds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/03—Ethers having all ether-oxygen atoms bound to acyclic carbon atoms
- C07C43/14—Unsaturated ethers
- C07C43/162—Unsaturated ethers containing rings other than six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
- Furan Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7912852 | 1979-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8002279A true BR8002279A (pt) | 1980-12-02 |
Family
ID=10504517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8002279A BR8002279A (pt) | 1979-04-11 | 1980-04-11 | Producao de tetrahidrofurano |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4287127A (pt) |
| EP (1) | EP0018164B1 (pt) |
| JP (1) | JPS5618974A (pt) |
| KR (1) | KR830002563B1 (pt) |
| AT (1) | ATE8397T1 (pt) |
| AU (1) | AU536828B2 (pt) |
| BR (1) | BR8002279A (pt) |
| CA (1) | CA1152521A (pt) |
| DE (1) | DE3068494D1 (pt) |
| ES (1) | ES490990A0 (pt) |
| IN (1) | IN153494B (pt) |
| PL (1) | PL223389A1 (pt) |
| ZA (1) | ZA802150B (pt) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3062319D1 (en) * | 1979-04-11 | 1983-04-21 | Davy Mckee London | Production of butane-1,4-diol |
| US4474973A (en) * | 1983-05-03 | 1984-10-02 | General Electric Company | Acidic mixed oxide catalytic dealkylation to produce 1,4-butanediol and tetrahydrofuran |
| DE19622497A1 (de) * | 1996-06-05 | 1997-12-11 | Basf Ag | Verfahren zur Herstellung von Tetrahydrofuran aus Dialkoxybutenen |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1461831A (en) * | 1973-05-30 | 1977-01-19 | Gen Electric | Process for the production of butanediol |
| US4005112A (en) * | 1973-11-30 | 1977-01-25 | General Electric Company | Multistep method for preparation of tetrahydrofuran starting from propylene, oxygen and a carboxylic acid |
| US3929915A (en) * | 1974-07-31 | 1975-12-30 | Du Pont | Process for the production of butanediol |
| US4064145A (en) * | 1975-10-20 | 1977-12-20 | Celanese Corporation | Production of tetrahydrofuran |
-
1980
- 1980-04-09 DE DE8080301132T patent/DE3068494D1/de not_active Expired
- 1980-04-09 AT AT80301132T patent/ATE8397T1/de active
- 1980-04-09 EP EP80301132A patent/EP0018164B1/en not_active Expired
- 1980-04-10 KR KR1019800001486A patent/KR830002563B1/ko active
- 1980-04-10 CA CA000349516A patent/CA1152521A/en not_active Expired
- 1980-04-10 IN IN417/CAL/80A patent/IN153494B/en unknown
- 1980-04-10 ZA ZA00802150A patent/ZA802150B/xx unknown
- 1980-04-10 AU AU57350/80A patent/AU536828B2/en not_active Expired - Fee Related
- 1980-04-11 US US06/139,568 patent/US4287127A/en not_active Expired - Lifetime
- 1980-04-11 PL PL22338980A patent/PL223389A1/xx unknown
- 1980-04-11 ES ES490990A patent/ES490990A0/es active Granted
- 1980-04-11 JP JP4855480A patent/JPS5618974A/ja active Pending
- 1980-04-11 BR BR8002279A patent/BR8002279A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR830002563B1 (ko) | 1983-11-14 |
| JPS5618974A (en) | 1981-02-23 |
| KR830002748A (ko) | 1983-05-30 |
| DE3068494D1 (en) | 1984-08-16 |
| ES8101573A1 (es) | 1980-12-16 |
| AU5735080A (en) | 1980-10-16 |
| PL223389A1 (pt) | 1981-01-30 |
| CA1152521A (en) | 1983-08-23 |
| EP0018164B1 (en) | 1984-07-11 |
| ATE8397T1 (de) | 1984-07-15 |
| ES490990A0 (es) | 1980-12-16 |
| US4287127A (en) | 1981-09-01 |
| EP0018164A1 (en) | 1980-10-29 |
| AU536828B2 (en) | 1984-05-24 |
| IN153494B (pt) | 1984-07-21 |
| ZA802150B (en) | 1981-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1492362A (en) | M-acyloxyphenyl-1,3-oxazolidenes and methods of synthesis thereof | |
| FI851658A0 (fi) | Foerfarande foer framstaellning av myrsyra. | |
| ES471958A1 (es) | Procedimiento para la preparacion de derivados de 1,2,4- triazin-5-ona | |
| ES477364A1 (es) | Un proceso para producir un ester glicolipido hidroxialqui- loeterificado. | |
| ES8101572A1 (es) | Procedimiento para la obtencion de butirolactona | |
| BR8002279A (pt) | Producao de tetrahidrofurano | |
| DE3062319D1 (en) | Production of butane-1,4-diol | |
| GB1528440A (en) | Process for the preparation of cyclic ketones | |
| KR910007945A (ko) | 알킬 메틸-3-카브알콕시에틸포스피네이트의 제조방법 | |
| ES455202A1 (es) | Un procedimiento para la preparacion de una (vinilo 2, 2- disustituido)-y-butirolactona. | |
| KR860002959A (ko) | 제초제 중간화합물의 제법 | |
| DE3164871D1 (en) | Preparation of intermediates of carbaprostacyclines | |
| GB1530043A (en) | Organic peroxides | |
| ES486377A1 (es) | Procedimiento para la preparacion de 5-mercapto-1,2,3-tria- zoles | |
| JPS5498707A (en) | Preparation of ethynyl alcohol | |
| ES437041A1 (es) | Un procedimiento para preparar derivados de 1-ftalazona. | |
| ES390275A1 (es) | Un procedimiento para la preparacion de 1,2-dialquil (infe-rior) pirrolidinas. | |
| ES402471A1 (es) | Un procedimiento para la preparacion de derivados de 1-ari-loxi-3-amino-propanol. | |
| ES474071A2 (es) | Procedimiento para la preparacion de 2-(2'2'2'-trihalogene- til)-4-halogenciclobutan 1 ona | |
| SE8000070L (sv) | 2-etyl-3-metyl-pent-4-en-1-al | |
| ES460515A3 (es) | Procedimiento para la obtencion de s-(aliloxi) tiocarbama- tos. | |
| ES478504A1 (es) | Un procedimiento para la preparacion de trans-2,8-dibencil- ciclooctanona. | |
| ES435698A1 (es) | Un metodo para la preparacion de acido 3-(benzoil trisusti-tuido)-propionico. | |
| ES8100658A1 (es) | Un procedimiento de preparacion de un inhibidor del enzima covertidor de la angiotensina | |
| ES8100293A1 (es) | Un procedimiento para la preparacion de nuevos derivados triciclicos jaula.(como divisional de la patente numero 479.572) |