ES2073606T3 - Procedimiento para la preparacion de derivados de acido beta-resorcilico. - Google Patents
Procedimiento para la preparacion de derivados de acido beta-resorcilico.Info
- Publication number
- ES2073606T3 ES2073606T3 ES91103950T ES91103950T ES2073606T3 ES 2073606 T3 ES2073606 T3 ES 2073606T3 ES 91103950 T ES91103950 T ES 91103950T ES 91103950 T ES91103950 T ES 91103950T ES 2073606 T3 ES2073606 T3 ES 2073606T3
- Authority
- ES
- Spain
- Prior art keywords
- derivatives
- preparation
- resorcilico
- beta
- procedure
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/46—Preparation of carboxylic acid esters from ketenes or polyketenes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
METODO PARA LA ELABORACION DE DERIVADOS DE ACIDOS BETARESORCILICOS A PARTIR DE LA FORMULA I EN EL QUE R, R (AL CUADRADO) , Y R ELEVADO 3 PUEDEN SER IGUALES O DIFERENTES Y EQUIVALEN A UN ATOMO DE HIDROGENO O A UN RADICAL ALQUILO Y R'' Y R ELEVADO 4 PUEDEN SER IGUALES O DIFERENTES Y EQUIVALEN A UN RADICAL DE ALQUILO, A TRAVES DE LA REDUCCION DE DICETENO CON DERIVADOS DE ACIDOS BETACETOCARBOXILICOS, EN PRESENCIA DE COMBINACIONES DE METALES ALCALINOTERREOS.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4008223A DE4008223A1 (de) | 1990-03-15 | 1990-03-15 | Verfahren zur herstellung von ss-resorcylsaeurederivaten |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2073606T3 true ES2073606T3 (es) | 1995-08-16 |
Family
ID=6402230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES91103950T Expired - Lifetime ES2073606T3 (es) | 1990-03-15 | 1991-03-14 | Procedimiento para la preparacion de derivados de acido beta-resorcilico. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5171878A (es) |
EP (1) | EP0446925B1 (es) |
JP (1) | JP2520803B2 (es) |
DE (2) | DE4008223A1 (es) |
ES (1) | ES2073606T3 (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6518512B2 (ja) * | 2015-05-27 | 2019-05-22 | 上野製薬株式会社 | 4−ヒドロキシ安息香酸長鎖エステルの精製方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3634491A (en) * | 1968-08-30 | 1972-01-11 | Int Flavors & Fragrances Inc | Process for the preparation of 3 5-dialkyl resorcylic acids and esters |
FR2033562A5 (es) * | 1969-02-27 | 1970-12-04 | Rhone Poulenc Sa | |
US4020098A (en) * | 1972-12-07 | 1977-04-26 | Ciba-Geigy Corporation | Process for the preparation of 5-substituted resorcinols and related intermediates |
DE2653177A1 (de) * | 1976-11-23 | 1978-05-24 | Dragoco Gerberding Co Gmbh | Verfahren zur herstellung von alkylsubstituierten beta-resorcylsaeureestern |
US4309563A (en) * | 1980-06-04 | 1982-01-05 | Showa Denko K.K. | Xylylene diol derivative |
US4339593A (en) * | 1980-12-16 | 1982-07-13 | Fritzsche Dodge & Olcott Inc. | Process for the manufacture of 3,6-dialkyl resorcylic acid esters |
DE3116913A1 (de) * | 1981-04-29 | 1982-11-18 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von resorcinderivaten sowie verwendung bestimmter resorcinderivate als riechstoffe |
DE3136720C2 (de) * | 1981-09-16 | 1986-05-07 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von 3-Alkyl-6-methyl-ß-resorcylsäureestern |
US4408059A (en) * | 1981-12-04 | 1983-10-04 | University Patents, Inc. | Spiroketals useful as intermediates in the synthesis of milbemycin and avermectin macrolides |
DE3235019C2 (de) * | 1982-09-22 | 1984-07-12 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von p-Orsellinsäureestern |
EP0133960A3 (de) * | 1983-08-04 | 1985-12-11 | Roure Bertrand Dupont Société Anonyme | Verfahren zur Herstellung von Estern substituierter Benzoesäuren |
US5025036A (en) * | 1987-10-01 | 1991-06-18 | Hoffmann-La Roche Inc. | Catechol carboxylic acids |
-
1990
- 1990-03-15 DE DE4008223A patent/DE4008223A1/de not_active Withdrawn
-
1991
- 1991-02-04 US US07/649,895 patent/US5171878A/en not_active Expired - Fee Related
- 1991-03-14 EP EP91103950A patent/EP0446925B1/de not_active Expired - Lifetime
- 1991-03-14 DE DE59105754T patent/DE59105754D1/de not_active Expired - Lifetime
- 1991-03-14 ES ES91103950T patent/ES2073606T3/es not_active Expired - Lifetime
- 1991-03-15 JP JP3228201A patent/JP2520803B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0446925A3 (en) | 1992-04-22 |
JP2520803B2 (ja) | 1996-07-31 |
US5171878A (en) | 1992-12-15 |
EP0446925B1 (de) | 1995-06-21 |
DE4008223A1 (de) | 1991-09-19 |
JPH06206849A (ja) | 1994-07-26 |
EP0446925A2 (de) | 1991-09-18 |
DE59105754D1 (de) | 1995-07-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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