ES479408A1 - Un procedimiento para la produccion de una tioxantona. - Google Patents
Un procedimiento para la produccion de una tioxantona.Info
- Publication number
- ES479408A1 ES479408A1 ES479408A ES479408A ES479408A1 ES 479408 A1 ES479408 A1 ES 479408A1 ES 479408 A ES479408 A ES 479408A ES 479408 A ES479408 A ES 479408A ES 479408 A1 ES479408 A1 ES 479408A1
- Authority
- ES
- Spain
- Prior art keywords
- thioxanthones
- production
- metalhydrosulphide
- sulphur
- employed
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D335/00—Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom
- C07D335/04—Heterocyclic compounds containing six-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
- C07D335/10—Dibenzothiopyrans; Hydrogenated dibenzothiopyrans
- C07D335/12—Thioxanthenes
- C07D335/14—Thioxanthenes 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 in position 9
- C07D335/16—Oxygen atoms, e.g. thioxanthones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
Un procedimiento para la producción de una tioxantona, que comprende hacer reaccionar una o,o''dihalogenobenzofenona de fórmula (II): **(Fórmula)** en la que R1 y R2 significan, cada una, independientemente la una de la otra, hidrógeno, alquilo (C1-C4), alcoxi (C1-C12) o halógeno, cada R3 significa, independientemente las unas de las otras, alquilo (C1-C4), cada R4 significa, independientemente las unas de las otras, alquilo (C1-C4), cada n y m significa, independientemente la una de la otra, 0, 1, 2 ó 3, y Hal o halógeno significa cloro bromo, con azufre en medio alcalino.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH377378A CH635583A5 (de) | 1978-04-07 | 1978-04-07 | Verfahren zur herstellung von gegebenenfalls substituierten thioxanthonen. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES479408A1 true ES479408A1 (es) | 1979-12-01 |
Family
ID=4263176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES479408A Expired ES479408A1 (es) | 1978-04-07 | 1979-04-06 | Un procedimiento para la produccion de una tioxantona. |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS54148791A (es) |
BE (1) | BE875359R (es) |
CH (1) | CH635583A5 (es) |
DE (1) | DE2912197A1 (es) |
ES (1) | ES479408A1 (es) |
FR (1) | FR2421898B2 (es) |
GB (1) | GB2018243B (es) |
NL (1) | NL7902588A (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH644362A5 (de) | 1980-05-06 | 1984-07-31 | Ciba Geigy Ag | 3,5-disubstituierte phthalsaeureimide. |
BE902790A (fr) * | 1984-07-12 | 1986-01-02 | Sandoz Sa | Procede de preparation de xanthones et de thioxanthones. |
CN102863422B (zh) * | 2012-09-07 | 2014-06-11 | 浙江工业大学 | 一种2-异丙基硫杂蒽酮的制备方法 |
CN108218831B (zh) * | 2018-04-17 | 2020-07-07 | 吉林大学 | 具有室温磷光性质的噻吨酮化合物晶体及其制备方法和用途 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3767674A (en) * | 1971-10-01 | 1973-10-23 | Ostra Lakemedel Ab | Cyclohexeno thioxanthones |
CH628343A5 (en) * | 1977-03-24 | 1982-02-26 | Sandoz Ag | Process for preparing thioxanthones |
-
1978
- 1978-04-07 CH CH377378A patent/CH635583A5/de not_active IP Right Cessation
-
1979
- 1979-03-28 DE DE19792912197 patent/DE2912197A1/de active Granted
- 1979-04-02 GB GB7911402A patent/GB2018243B/en not_active Expired
- 1979-04-03 NL NL7902588A patent/NL7902588A/xx not_active Application Discontinuation
- 1979-04-03 FR FR7908377A patent/FR2421898B2/fr not_active Expired
- 1979-04-05 JP JP4042179A patent/JPS54148791A/ja active Granted
- 1979-04-05 BE BE0/194437A patent/BE875359R/xx active
- 1979-04-06 ES ES479408A patent/ES479408A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH635583A5 (de) | 1983-04-15 |
FR2421898B2 (fr) | 1987-12-24 |
DE2912197C2 (es) | 1988-12-29 |
JPH0134993B2 (es) | 1989-07-21 |
JPS54148791A (en) | 1979-11-21 |
GB2018243A (en) | 1979-10-17 |
DE2912197A1 (de) | 1979-10-18 |
GB2018243B (en) | 1982-10-20 |
BE875359R (fr) | 1979-10-05 |
FR2421898A2 (fr) | 1979-11-02 |
NL7902588A (nl) | 1979-10-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE880500A (fr) | Hydrolysat d'amidon hydrogene non cariogene, procede de preparation et applications de cet hydrolysat | |
DE2966390D1 (en) | A dna transfer vector, a microorganism modified by said vector and the synthesis of a eucaryotic protein by the modified microorganism | |
GR3007587T3 (es) | ||
IE790199L (en) | Magnesium hydrides | |
IT7921113A0 (it) | Procedimento di sintesi dell'ammoniaca. | |
IL57532A0 (en) | Mercapto substituted-2,3,4,5-tetrahydro-1h-3-benzazepines | |
ES468218A1 (es) | Perfeccionamientos en o relacionados con compuestos organi- cos. | |
FI910421A0 (fi) | Foerfarande foer bearbetning av binaera svavelfoereningar. | |
ES8403864A1 (es) | Procedimiento para la sintesis de un mercaptano a partir de una olefina. | |
GR3032793T3 (en) | Preparation of lithiumhexafluorometallates | |
ES479408A1 (es) | Un procedimiento para la produccion de una tioxantona. | |
IE791842L (en) | Suppository manufacture | |
ES463531A1 (es) | Procedimiento para la preparacion de aminocompuestos organi-cos solubles en agua monoacilados. | |
AU528407B2 (en) | 1,2,3-thiadiazol-5-yl ureas | |
ES486617A1 (es) | Procedimiento para la obtencion de zeolita a. | |
MX9204857A (es) | Proceso para preparar selectivamente trisulfuros organicos | |
GB1512650A (en) | Production of pyridine and 3-methyl pyridine | |
EP0005655A3 (en) | Process for the non-polluting oxyhydrochloration and oxidation catalyst | |
DE3164897D1 (en) | Process for preparing 1-amino-3-aryloxy-2-propanols and 1-amino-2-aryl-2-ethanols | |
ES8602530A1 (es) | Un procedimiento para producir azufre elemental | |
JPS5522691A (en) | Manufacture of r*ss55pphydroxyphenyll2*44 imidazolidione or r*ss55pphydroxyphenylhydantoin | |
GB2033776B (en) | Catalyst for the production of ammonia | |
FR2503698B1 (es) | ||
ES8609424A1 (es) | Procedimiento para formar un recubrimiento seco sobre un substrato | |
DE2961021D1 (en) | Process for the preparation of 1,1-difluoro-2-chloroethylene and its utilisation as a blowing gas or a blowing agent |