ES419871A1 - Un procedimiento para la preparacion de un derivado de un acido aroil-alfa-r2,alfa-r3-fenilaceutico. - Google Patents
Un procedimiento para la preparacion de un derivado de un acido aroil-alfa-r2,alfa-r3-fenilaceutico.Info
- Publication number
- ES419871A1 ES419871A1 ES419871A ES419871A ES419871A1 ES 419871 A1 ES419871 A1 ES 419871A1 ES 419871 A ES419871 A ES 419871A ES 419871 A ES419871 A ES 419871A ES 419871 A1 ES419871 A1 ES 419871A1
- Authority
- ES
- Spain
- Prior art keywords
- formula
- group
- compound
- lower alkyl
- thienyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical class OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 title 1
- 125000000217 alkyl group Chemical group 0.000 abstract 9
- 150000001875 compounds Chemical class 0.000 abstract 8
- 238000000034 method Methods 0.000 abstract 5
- -1 amino, anilino Chemical group 0.000 abstract 3
- 229910052736 halogen Inorganic materials 0.000 abstract 3
- 150000002367 halogens Chemical class 0.000 abstract 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract 3
- 239000001257 hydrogen Substances 0.000 abstract 3
- 125000000175 2-thienyl group Chemical group S1C([*])=C([H])C([H])=C1[H] 0.000 abstract 2
- 125000003277 amino group Chemical group 0.000 abstract 2
- 125000004103 aminoalkyl group Chemical group 0.000 abstract 2
- 150000004820 halides Chemical class 0.000 abstract 2
- 150000002431 hydrogen Chemical class 0.000 abstract 2
- 125000001622 2-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C(*)C([H])=C([H])C2=C1[H] 0.000 abstract 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 abstract 1
- 125000003349 3-pyridyl group Chemical group N1=C([H])C([*])=C([H])C([H])=C1[H] 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 abstract 1
- 125000003545 alkoxy group Chemical group 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 238000007796 conventional method Methods 0.000 abstract 1
- 230000032050 esterification Effects 0.000 abstract 1
- 238000005886 esterification reaction Methods 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- 229960003424 phenylacetic acid Drugs 0.000 abstract 1
- 239000003279 phenylacetic acid Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/26—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur 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
- C07D333/28—Halogen atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/38—Heterocyclic compounds having sulfur as a ring hetero atom
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- 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
- C07C45/004—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with organometalhalides
-
- 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
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/40—Unsaturated compounds
- C07C59/76—Unsaturated compounds containing keto groups
- C07C59/84—Unsaturated compounds containing keto groups containing six membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/44—Radicals substituted by doubly-bound oxygen, sulfur, or nitrogen atoms, or by two such atoms singly-bound to the same carbon atom
- C07D213/46—Oxygen atoms
- C07D213/50—Ketonic radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/02—Heterocyclic compounds containing six-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
- C07D309/08—Heterocyclic compounds containing six-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 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
- C07D309/10—Oxygen atoms
- C07D309/12—Oxygen atoms only hydrogen atoms and one oxygen atom directly attached to ring carbon atoms, e.g. tetrahydropyranyl ethers
-
- 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
- C07D317/10—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 not condensed with other rings
- C07D317/14—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 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D317/16—Radicals substituted by halogen atoms or nitro radicals
-
- 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
- C07D317/10—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 not condensed with other rings
- C07D317/14—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 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D317/18—Radicals substituted by singly bound oxygen or sulfur atoms
- C07D317/20—Free hydroxyl or mercaptan
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/22—Radicals substituted by doubly bound hetero atoms, or by two hetero atoms other than halogen singly bound to the same carbon atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/24—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Pain & Pain Management (AREA)
- Rheumatology (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Pyridine Compounds (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Thiazole And Isothizaole Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US30007972A | 1972-10-24 | 1972-10-24 | |
| US39587773A | 1973-09-10 | 1973-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES419871A1 true ES419871A1 (es) | 1976-08-01 |
Family
ID=26971576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES419871A Expired ES419871A1 (es) | 1972-10-24 | 1973-10-23 | Un procedimiento para la preparacion de un derivado de un acido aroil-alfa-r2,alfa-r3-fenilaceutico. |
Country Status (24)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1036466B (it) * | 1975-07-08 | 1979-10-30 | Sigurta Farmaceutici Spa | Processo per la preparazione di derivati dell acido alfa fenilpropionico |
| FR2374033A1 (fr) * | 1976-12-16 | 1978-07-13 | Rhone Poulenc Ind | Nouveaux acides thieno (3,2-b) thienylcarbonylphenylalcanoiques, leurs derives, leur preparation et les compositions pharmaceutiques qui les contiennent |
| FR2345148A1 (fr) * | 1976-03-24 | 1977-10-21 | Lipha | Nouvel acide propionique substitue, preparation et application |
| GB1569404A (en) * | 1977-04-22 | 1980-06-11 | Soc D Etudes Prod Chimique | (2-isopropyl-4-(2'-theonyl)-5-methyl) phenoxy acetic acid |
| GB2030131B (en) * | 1978-09-12 | 1982-12-22 | Taiyo Pharma Ind | Process for producing 2-(4-(2-thienyl-carbonyl) phenyl) propionic acid |
| JPS5538340A (en) * | 1978-09-12 | 1980-03-17 | Taiyo Yakuhin Kogyo Kk | Preparation of 2- 4-(2-thienylcarbonyl)phenyl propionic acid |
| JPS5538339A (en) * | 1978-09-12 | 1980-03-17 | Taiyo Yakuhin Kogyo Kk | Preparation of 2- 4-(2-thienylcarbonyl)phenyl propionic acid |
| JPS5823873B2 (ja) * | 1979-02-02 | 1983-05-18 | 財団法人相模中央化学研究所 | 置換フェニル酢酸誘導体の製造方法 |
| JPS5825675B2 (ja) * | 1979-02-02 | 1983-05-28 | 財団法人相模中央化学研究所 | ケタ−ル誘導体 |
| ES479300A1 (es) * | 1979-04-04 | 1979-07-01 | Cusi Lab | Procedimiento de obtencio de &-metil, 4(2'tienil carbonilz) fenil acetato de p-acetamido fenol. |
| EP0046337A3 (en) * | 1980-08-20 | 1982-09-15 | Imperial Chemical Industries Plc | Triazole compounds, a process for preparing them, their use as plant and pharmaceutical fungicides and as plant growth regulators and compositions containing them |
| US5191112A (en) * | 1989-10-17 | 1993-03-02 | Nissan Chemical Industries, Ltd. | Process for optical resolution of (±)-2-(3-benzoyl)-phenylpropionic acid |
| JP2000297086A (ja) * | 1999-02-08 | 2000-10-24 | Sankyo Co Ltd | ヘテロアリールヒドラゾン化合物 |
| JP6290947B2 (ja) * | 2016-02-05 | 2018-03-07 | テックフィールズ バイオケム カンパニー リミテッド | 非常に速い皮膚透過率を有するアリール−及びヘテロアリールプロピオン酸の正荷電水溶性プロドラッグ |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1226344A (enrdf_load_html_response) * | 1967-07-31 | 1971-03-24 | ||
| FR2113760A1 (en) * | 1970-11-10 | 1972-06-30 | Roussel Uclaf | 5-Arylcarbonyl-3(or 4)-methylthien-2-yl alkanoic acids and esters - with antiinflammatory and analgesic activity |
-
1973
- 1973-10-17 CA CA183,576A patent/CA1007643A/en not_active Expired
- 1973-10-18 PH PH15118A patent/PH12124A/en unknown
- 1973-10-19 FR FR7337487A patent/FR2203635B1/fr not_active Expired
- 1973-10-22 LU LU68666A patent/LU68666A1/xx unknown
- 1973-10-22 DK DK572273A patent/DK154899C/da active
- 1973-10-23 YU YU2759/73A patent/YU37106B/xx unknown
- 1973-10-23 FI FI3278/73A patent/FI66369C/fi active
- 1973-10-23 SE SE7314366A patent/SE403911B/xx unknown
- 1973-10-23 IE IE1896/73A patent/IE38402B1/xx unknown
- 1973-10-23 CH CH1496073A patent/CH597219A5/xx not_active IP Right Cessation
- 1973-10-23 SU SU731973680A patent/SU719490A3/ru active
- 1973-10-23 ES ES419871A patent/ES419871A1/es not_active Expired
- 1973-10-23 NO NO4105/73A patent/NO141651C/no unknown
- 1973-10-23 JP JP48118585A patent/JPS5940811B2/ja not_active Expired
- 1973-10-23 BE BE136954A patent/BE806389A/xx not_active IP Right Cessation
- 1973-10-24 AT AT900773A patent/AT333269B/de not_active IP Right Cessation
- 1973-10-24 NL NLAANVRAGE7314629,A patent/NL179583C/xx not_active IP Right Cessation
- 1973-10-24 BG BG024830A patent/BG25209A3/xx unknown
- 1973-10-24 DD DD174327A patent/DD110044A5/xx unknown
- 1973-10-24 GB GB4958073A patent/GB1446239A/en not_active Expired
- 1973-10-24 DE DE2353357A patent/DE2353357C2/de not_active Expired
- 1973-10-24 CS CS7300007333A patent/CS183719B2/cs unknown
- 1973-10-24 HU HUJA691A patent/HU168046B/hu unknown
- 1973-11-05 IL IL43570A patent/IL43570A/en unknown
-
1982
- 1982-06-02 JP JP57093264A patent/JPS5938237B2/ja not_active Expired
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES419871A1 (es) | Un procedimiento para la preparacion de un derivado de un acido aroil-alfa-r2,alfa-r3-fenilaceutico. | |
| ES370394A1 (es) | Procedimiento para la preparacion de nuevas 5-11-dihidro-6h-pirido (2,3-b) (1,4) benzodiazepin-6-ona y sus sales. | |
| ES456279A1 (es) | Un procedimiento para preparar compuestos de cetofosfonato. | |
| ES443415A1 (es) | Procedimiento para la preparacion de nuevos derivados bife- niloxilicos. | |
| JPS51136666A (en) | Process for preparing 3-aminoalkyl-1,2-benzisoxazole derivatives. | |
| ES467954A1 (es) | Procedimiento para preparar piperacino-3-indoles | |
| ES434304A1 (es) | Procedimiento para preparar esteres del acido dihidro-16,17apovincaminico. | |
| ES454086A1 (es) | Procedimiento para la preparacion de n-(r-tetrahidrofurfu- ril)-noroximorfona y n-(s-tetrahidrofurfuril)-norosimorfona nuevas. | |
| ES389360A1 (es) | Procedimiento para la preparacion de acidos ariloxi- o bienariltioalcanicos. | |
| ES320729A1 (es) | Procedimiento para la sintesis de nuevos derivados de acido antranilico. | |
| SE8703494D0 (sv) | Mellanprodukter anvendbara vid framstellning av 2-tiofen-ettiksyraderivat | |
| DE2964850D1 (en) | Thienylbenzoic-acid derivatives, process for their production, and pharmaceutical preparations containing these compounds | |
| ES354080A1 (es) | Procedimiento para la preparacion de derivados de tiepina. | |
| ES364980A1 (es) | Un metodo para preparar nuevos derivados de adamantano. | |
| ES450472A1 (es) | Un procedimiento para la preparacion de nuevos derivados de 3-benzoil-pirazol. | |
| ES316622A1 (es) | Procedimiento para la preparacion de derivados de acetofenona. | |
| ES447349A1 (es) | Un procedimiento para la preparacion de nuevos derivados delacido 8-azaprostanoico. | |
| ES461191A1 (es) | Un procedimiento para la preparacion de nuevos derivados de arilcarboxamida. | |
| ES282825A1 (es) | Procedimiento para la obtención de nuevos derivados de piperidina | |
| ES385084A1 (es) | Un procedimiento para la preparacion de nuevos derivados deacido glucuronico. | |
| ES426948A1 (es) | Procedimiento para la preparacion de nuevas 1,4-benzodiaze-pinas. | |
| ES417609A1 (es) | Un procedimiento para producir un derivado de picido (3,4-d). | |
| ES333860A1 (es) | Un metodo para fabricar naftil amino alcohil carboxilicos y esteres de acidos naftil amino alcohil carboxilicos. | |
| ES437195A1 (es) | Procedimiento para la preparacion de nuevos derivados de quinoleina. | |
| ES454643A1 (es) | Un procedimiento para la preparacion de nuevos eteres fenil (sustituido)-aguilicos (sustituido) |