RO88072B1 - Derivat de benzochinoxalin-5, 10-diona si procedeu de obtinere a acestuia - Google Patents

Derivat de benzochinoxalin-5, 10-diona si procedeu de obtinere a acestuia

Info

Publication number
RO88072B1
RO88072B1 RO112850A RO11285083A RO88072B1 RO 88072 B1 RO88072 B1 RO 88072B1 RO 112850 A RO112850 A RO 112850A RO 11285083 A RO11285083 A RO 11285083A RO 88072 B1 RO88072 B1 RO 88072B1
Authority
RO
Romania
Prior art keywords
dione
benzoquinoxaline
dithio
preparing
same
Prior art date
Application number
RO112850A
Other languages
English (en)
Other versions
RO88072A2 (ro
Inventor
Niculae Muresan
Vasilica Ecaterina Muresan
Original Assignee
Niculae Muresan
Vasilica Ecaterina Muresan
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 Niculae Muresan, Vasilica Ecaterina Muresan filed Critical Niculae Muresan
Priority to RO83112850A priority Critical patent/RO88072A2/ro
Publication of RO88072B1 publication Critical patent/RO88072B1/ro
Publication of RO88072A2 publication Critical patent/RO88072A2/ro

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Inventia se refera la un derivat de benzochinoxalin-5,10-diona si la un procedeu de presare a lui si consta în aceea ca este 2,3-ditio-8-nitrobenzochinoxalin-5,10-diona, substanta cristalina de culoare rosie-purpurie, instabila în prezenta aerului dar care se pastreaza timp nedefinit sub forma de sare de tiouroniu, cu punct de topire la 360 degree C si care este solubila în dimetilfomamida, dimetilsulfoxid si dioxan. Procedeul de obtinere a 2,3-ditio-8-nitro-benzochinoxalin-5,10-dionei, se realizeaza sinteza prin refluxare timp de 2h pe baia de apa a unei solutii etanolice de 2,3-diclor-B-nitrobenzochinoxalin-5,10-diona si tiouree, izolarea produsului în stare pura facîndu-se prin alcalinizarea solutiei cu NaOH si tratarea ei în final cu acid acetic glacial.
RO83112850A 1983-12-14 1983-12-14 Derivat de benzochinoxalin-5,10-diona RO88072A2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO83112850A RO88072A2 (ro) 1983-12-14 1983-12-14 Derivat de benzochinoxalin-5,10-diona

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO83112850A RO88072A2 (ro) 1983-12-14 1983-12-14 Derivat de benzochinoxalin-5,10-diona

Publications (2)

Publication Number Publication Date
RO88072B1 true RO88072B1 (ro) 1985-10-31
RO88072A2 RO88072A2 (ro) 1985-11-30

Family

ID=20114019

Family Applications (1)

Application Number Title Priority Date Filing Date
RO83112850A RO88072A2 (ro) 1983-12-14 1983-12-14 Derivat de benzochinoxalin-5,10-diona

Country Status (1)

Country Link
RO (1) RO88072A2 (ro)

Also Published As

Publication number Publication date
RO88072A2 (ro) 1985-11-30

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