AR008526A1 - Procedimiento para preparar eteres bencilicos. - Google Patents
Procedimiento para preparar eteres bencilicos.Info
- Publication number
- AR008526A1 AR008526A1 ARP970105381A ARP970105381A AR008526A1 AR 008526 A1 AR008526 A1 AR 008526A1 AR P970105381 A ARP970105381 A AR P970105381A AR P970105381 A ARP970105381 A AR P970105381A AR 008526 A1 AR008526 A1 AR 008526A1
- Authority
- AR
- Argentina
- Prior art keywords
- 4alkyl
- reaction
- general formula
- halogen
- 6alkyl
- Prior art date
Links
- -1 BENZYL ETHERS Chemical class 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 4
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 abstract 3
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 abstract 3
- 229910052736 halogen Inorganic materials 0.000 abstract 3
- 150000002367 halogens Chemical class 0.000 abstract 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 3
- 150000001875 compounds Chemical class 0.000 abstract 2
- 150000002148 esters Chemical class 0.000 abstract 2
- 150000002170 ethers Chemical class 0.000 abstract 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 2
- 125000004765 (C1-C4) haloalkyl group Chemical group 0.000 abstract 1
- 125000000229 (C1-C4)alkoxy group Chemical group 0.000 abstract 1
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 abstract 1
- 125000006656 (C2-C4) alkenyl group Chemical group 0.000 abstract 1
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- 125000002723 alicyclic group Chemical group 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 125000005843 halogen group Chemical group 0.000 abstract 1
- 125000005842 heteroatom Chemical group 0.000 abstract 1
- 125000000623 heterocyclic group Chemical group 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 abstract 1
- 239000003444 phase transfer catalyst Substances 0.000 abstract 1
- 238000007086 side reaction Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/16—Preparation of ethers by reaction of esters of mineral or organic acids with hydroxy or O-metal groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D317/46—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
- C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
- C07D317/50—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
- C07D317/54—Radicals substituted by oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Un procedimiento para preparar éteres mixtos de formula general (I), en donde Ar representa un resto alicíclico, aromático o un resto hetero-cíclicocon uno o más heteroátomos, que se encuentra eventualmente sustituido con uno o más grupos de alcoxi C1-4, metilendioxi, alquilo C1-4, halogeno,haloalquilo C1-4 o nitro y/o se encuentra condensado con un anillo bencénico; R1 representa hidrogeno, alquilo C1-4, haloalquilo C1-4, alquenilo C2-4,fenilo, fenilo sustituido o cicloalquilo C3-6; R2representa alquilo C1-6, alquenilo C3-6 o alquinilo C3-6 eventualmente mono- o polisustituido con ungrupo de alquilo C1-6, alcoxi (C1-6), alquenilo C3-6, alquinilo C3-6, haloalquilo C1-6 o un átomo de halogeno; o representa un grupo dealquil (C1-4)oxi-alquil (C1-4) oxi-alquilo (C1-4); n es 1, 2, por reaccion de compuestos de formula general (II), en donde R1 y n tienen el significado indicado másarriba, X representa hidroxi, halogeno o un grupo saliente de éster sulfonico, con compuestos de formula general (III), R2 - Y en donde R2 tiene el mismosignificado que el indicado más arriba e Y representa hidroxi, halogeno o un grupo saliente de éster sulfonico, con la condicion de que uno de losparticipantes de la reaccionde formulas generales (II) y (III) sea un alcohol, caracterizado porque la reaccion se lleva a cabo en condicionesheterogéneas y en presencia de una base acuosa y de un catalizador de transferencia de fase, y el producto resultante se estabiliza eventualmentepor adicion de una base y/o de un antioxidante. El procedimiento del invento permite preparar los éteres de formula general (I) evitando el empleo dereactivos caros y las posibles reacciones secundarias, y asegurando una produccion a gran escala sin riesgos debido a que la reaccion puede ser llevada
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU9603178A HU220961B1 (hu) | 1996-11-18 | 1996-11-18 | Eljárás benzil-éterek előállítására fázistranszferrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR008526A1 true AR008526A1 (es) | 2000-01-19 |
Family
ID=89994453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP970105381A AR008526A1 (es) | 1996-11-18 | 1997-11-18 | Procedimiento para preparar eteres bencilicos. |
Country Status (7)
| Country | Link |
|---|---|
| AR (1) | AR008526A1 (es) |
| AU (1) | AU5064498A (es) |
| HR (1) | HRP970607A2 (es) |
| HU (1) | HU220961B1 (es) |
| TW (1) | TW434214B (es) |
| WO (1) | WO1998022417A1 (es) |
| ZA (1) | ZA9710317B (es) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6596870B2 (en) | 2000-07-13 | 2003-07-22 | Brandeis University | Asymmetric synthetic methods based on phase transfer catalysis |
| CN1124246C (zh) * | 2000-09-01 | 2003-10-15 | 中国科学院上海有机化学研究所 | 一种通过相转移催化制备4－(2－烷氧基乙基)苯酚的方法 |
| EP2289889A1 (en) | 2009-08-18 | 2011-03-02 | Endura S.p.a. | Substituted alkynyl phenoxy compounds and their uses |
| GB201104156D0 (en) * | 2011-03-11 | 2011-04-27 | Rothamstead Res Ltd | Compositions and methods for controlling pesticide resistant pests |
| GB2512112B (en) * | 2013-03-21 | 2016-03-30 | Rothamsted Res Ltd | Compositions and methods for controlling herbicide resistant weeds |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4433179A (en) * | 1980-08-25 | 1984-02-21 | Ciba-Geigy Corporation | Process for the preparation of di- and poly-allyl ethers |
| GB2198725B (en) * | 1986-11-05 | 1991-01-16 | Alter Sa | Use of a series of quaternary ammonium salts as phase-transfer catalysts |
-
1996
- 1996-11-18 HU HU9603178A patent/HU220961B1/hu not_active IP Right Cessation
-
1997
- 1997-11-12 AU AU50644/98A patent/AU5064498A/en not_active Abandoned
- 1997-11-12 WO PCT/HU1997/000074 patent/WO1998022417A1/en active Application Filing
- 1997-11-13 HR HRP9603178A patent/HRP970607A2/hr not_active Application Discontinuation
- 1997-11-14 ZA ZA9710317A patent/ZA9710317B/xx unknown
- 1997-11-18 AR ARP970105381A patent/AR008526A1/es unknown
- 1997-12-27 TW TW086119822A patent/TW434214B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| TW434214B (en) | 2001-05-16 |
| HUP9603178A3 (en) | 1999-05-28 |
| HU220961B1 (hu) | 2002-07-29 |
| HU9603178D0 (en) | 1997-01-28 |
| HRP970607A2 (en) | 1998-08-31 |
| HUP9603178A2 (hu) | 1998-09-28 |
| WO1998022417A1 (en) | 1998-05-28 |
| AU5064498A (en) | 1998-06-10 |
| ZA9710317B (en) | 1998-06-10 |
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