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
Application number
ES479408A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandoz AG
Original Assignee
Sandoz AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sandoz AG filed Critical Sandoz AG
Publication of ES479408A1 publication Critical patent/ES479408A1/es
Expired legal-status Critical Current

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)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (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.
ES479408A 1978-04-07 1979-04-06 Un procedimiento para la produccion de una tioxantona. Expired ES479408A1 (es)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH644362A5 (de) 1980-05-06 1984-07-31 Ciba Geigy Ag 3,5-disubstituierte phthalsaeureimide.
FR2567516B1 (fr) * 1984-07-12 1988-09-16 Sandoz Sa Procede de preparation de xanthones et de thioxanthones et utilisation de ces composes comme initiateurs de photopolymerisation
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPS54148791A (en) 1979-11-21
FR2421898B2 (fr) 1987-12-24
JPH0134993B2 (es) 1989-07-21
GB2018243B (en) 1982-10-20
GB2018243A (en) 1979-10-17
NL7902588A (nl) 1979-10-09
DE2912197C2 (es) 1988-12-29
DE2912197A1 (de) 1979-10-18
BE875359R (fr) 1979-10-05
FR2421898A2 (fr) 1979-11-02
CH635583A5 (de) 1983-04-15

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