ES2173250T3 - Procedimiento para preparar xantenos polialquilados. - Google Patents
Procedimiento para preparar xantenos polialquilados.Info
- Publication number
- ES2173250T3 ES2173250T3 ES96302454T ES96302454T ES2173250T3 ES 2173250 T3 ES2173250 T3 ES 2173250T3 ES 96302454 T ES96302454 T ES 96302454T ES 96302454 T ES96302454 T ES 96302454T ES 2173250 T3 ES2173250 T3 ES 2173250T3
- Authority
- ES
- Spain
- Prior art keywords
- xantens
- polialquilated
- prepare
- procedure
- sup
- 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
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/78—Ring systems having three or more relevant rings
- C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans
- C07D311/82—Xanthenes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pyrane Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
XANTENOS POLIALQUILADOS PREFERIBLEMENTE DE FORMULA (I) SON PREPARADOS EFECTUANDO LA REACCION ENTRE UN FENOL ALQUILADO COMO M-CRESOL Y UN MATERIAL ORGANICO OXIGENADO COMO ACETONA EN PRESENCIA DE UN CATALIZADOR ACIDO COMO ACIDO METANOSULFONICO DONDE CADA R, R{SUP,1}, R{SUP,2} Y R{SUP,3} SON INDEPENDIENTEMENTE HIDROGENO O UN RADICAL ALQUILO C{SUB,1-4}, AL MENOS DOS DE R-R{SUP,3} SIENDO ALQUILO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/423,662 US5554770A (en) | 1995-04-17 | 1995-04-17 | Method for making polyalkylated xanthenes |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2173250T3 true ES2173250T3 (es) | 2002-10-16 |
Family
ID=23679735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES96302454T Expired - Lifetime ES2173250T3 (es) | 1995-04-17 | 1996-04-04 | Procedimiento para preparar xantenos polialquilados. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5554770A (es) |
EP (1) | EP0738723B1 (es) |
JP (1) | JP3962835B2 (es) |
DE (1) | DE69619718T2 (es) |
ES (1) | ES2173250T3 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8343608B2 (en) | 2010-08-31 | 2013-01-01 | General Electric Company | Use of appended dyes in optical data storage media |
US20150322200A1 (en) | 2014-05-07 | 2015-11-12 | Sabic Global Technologies B.V. | Amorphous polyester compositions |
WO2019195013A1 (en) * | 2018-04-05 | 2019-10-10 | Dow Global Technologies Llc | Xanthenes as fuel markers |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB463036A (en) * | 1935-08-02 | 1937-03-22 | Gilbert Thomas Morgan | Improved manufacture of alkyl phenols and related compounds |
NL294553A (es) * | 1962-06-29 |
-
1995
- 1995-04-17 US US08/423,662 patent/US5554770A/en not_active Expired - Lifetime
-
1996
- 1996-04-04 ES ES96302454T patent/ES2173250T3/es not_active Expired - Lifetime
- 1996-04-04 EP EP96302454A patent/EP0738723B1/en not_active Expired - Lifetime
- 1996-04-04 DE DE69619718T patent/DE69619718T2/de not_active Expired - Fee Related
- 1996-04-12 JP JP08983596A patent/JP3962835B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69619718T2 (de) | 2002-12-19 |
EP0738723B1 (en) | 2002-03-13 |
JP3962835B2 (ja) | 2007-08-22 |
DE69619718D1 (de) | 2002-04-18 |
US5554770A (en) | 1996-09-10 |
JPH093056A (ja) | 1997-01-07 |
EP0738723A2 (en) | 1996-10-23 |
EP0738723A3 (en) | 1998-10-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU95102329A (ru) | Способ и стабилизированная каталитическая система для получения олефинов | |
ES2148376T3 (es) | Metalocenos selectivos de alta actividad para etileno. | |
ES2135058T3 (es) | Fosfito monodentado y composicion de catalizador a base de niquel para la hidrocianacion de monoolefinas. | |
ES2185772T3 (es) | Derivados de 1,3-propano-diol como compuestos bioactivos. | |
DE3872402D1 (de) | Vorschwefelungszusammensetzung fuer wasserstoffbehandlungskatalysatoren. | |
ES2152085T3 (es) | Procedimiento para preparar un aldehido terminal y catalizador. | |
ES8405288A1 (es) | Procedimiento para la recuperacion de catalizadores de hidroformilacion hidrosolubles que contienen rodio y fosfinas | |
DE69713099D1 (de) | Verfahren zur herstellung von xylitol | |
IT1213077B (it) | Composti stabilizzanti polimerici e procedimento per la loro preparazione. | |
ES2001003A4 (es) | Metodo para preparar polimeros de sulfometil-poliacrilamidas. | |
BR8702808A (pt) | Processo para preparar 1,3,5-triazin-2,4,6-trionas trissubstituidas,composicoes para combate de pragas,aplicacao dos compostos mencionados,bem como processos para combate de pragas e para preparar tais composicoes | |
ES471530A1 (es) | Procedimiento para la preparacion de fosfonitas | |
ES2048364T3 (es) | Procedimiento mejorado para la preparacion del acido 3-pentenoico. | |
ES2173250T3 (es) | Procedimiento para preparar xantenos polialquilados. | |
EP0361304A3 (en) | Method for producing alkadienols | |
ES8606421A1 (es) | Procedimiento para preparar polimeros modificados a base de poli (carbonato de vinileno) y-o poli (hidroximetileno) | |
ES2022118B3 (es) | Un procedimiento para producir catalizadores. | |
IT1213028B (it) | Composti piperidinici atti all'impiego come stabilizzanti per polimeri sintetici. | |
SE9604582D0 (sv) | Novel compounds | |
DE3766142D1 (de) | Flexible, elektrisch leitfaehige verbundkoerper, verfahren zu ihrer herstellung und ihre verwendung. | |
FI99204B (fi) | Menetelmä 2-kinoksalinoliyhdisteen valmistamiseksi | |
ES2100758T3 (es) | Proceso para la preparacion de alquil- o arildiclorosilanos. | |
ES2016847B3 (es) | Proceso para la preparacion de penta-o-acetilsucarosa. | |
ES2059585T3 (es) | Procedimiento para la preparacion de derivados de tiofeno asi como dihidrotiofen-1-oxidos. | |
ATE34386T1 (de) | 1,2,3,4-tetrahydro-1-aminomethyl-4-phenylisochinoline und verfahren zu ihrer herstellung. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 738723 Country of ref document: ES |