RO81271B1 - Azocuplanta ftalocianinica si procedeu de obtinere a acesteia - Google Patents

Azocuplanta ftalocianinica si procedeu de obtinere a acesteia

Info

Publication number
RO81271B1
RO81271B1 RO107129A RO10712982A RO81271B1 RO 81271 B1 RO81271 B1 RO 81271B1 RO 107129 A RO107129 A RO 107129A RO 10712982 A RO10712982 A RO 10712982A RO 81271 B1 RO81271 B1 RO 81271B1
Authority
RO
Romania
Prior art keywords
aqueous
phthalocyanine
medium
subjected
same
Prior art date
Application number
RO107129A
Other languages
English (en)
Other versions
RO81271A2 (ro
Inventor
Horst Walter Langfeld
Dorin Gageonea
Romulus Palea
Original Assignee
îNTREPRINDEREA DE COLORANTI "COLOROM"
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 îNTREPRINDEREA DE COLORANTI "COLOROM" filed Critical îNTREPRINDEREA DE COLORANTI "COLOROM"
Priority to RO107129A priority Critical patent/RO81271B1/ro
Publication of RO81271A2 publication Critical patent/RO81271A2/ro
Publication of RO81271B1 publication Critical patent/RO81271B1/ro

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  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

Inventia se refera la o azocuplanta ftalocianinica, avînd o structura corespunzatoare formulei generale I: 8vezi formula) în care Ft reprezinta un nucleu ftalocianinic, complexat cu Cusi Ni, pe care resturile pirazolonice sînt grefate în pozitiile 4si 5 ale cicurilor benzenice si care mai pot avea grefate în acelasi pozitii grupe sulfonic, R1 este un rest alchil infeior sau carboxi, R2 este un atom de hidrogen sau o grupa sulfonica, iar n poate lua valori între 1 si 4, si la un procedeu de obtinere a acesteia, prin aceea ca solutia apoasa a sarii de diazoniu obtinuta prin diazotarea mono- di-, tri- sau tetra-(4)-amino-ftalocianinei de cupru sau nichel cu azotit de sodiu în mediu apos acid mineral, se supune reducerii prin amestecare cu osolutie apoasa de sulfit de sodiu si încalzire timp de o ota la temepratura de 80....90 degree C, mediu de reactie fiind slab alcalinat la fenolftaleina, dupa separarea prin filtrare si spalare pîna la disparitia aciditatii minerale, se supune condensarii printratare cu un compus ales din grupa constituita din ester acetil-acetic, acetilacetamida si ester oxaliacetic soldatm în mediu alcoolic, alcoolic apos sau apoi alcalin, la temperatura de reflexie a amestecului de reactie, dupa care oxopirazolinil-ft alocianinele astfes obtinute se supun sulfonarii cu oleum 20% la temperatura de 10....15 degree C.
RO107129A 1982-04-02 1982-04-02 Azocuplanta ftalocianinica si procedeu de obtinere a acesteia RO81271B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO107129A RO81271B1 (ro) 1982-04-02 1982-04-02 Azocuplanta ftalocianinica si procedeu de obtinere a acesteia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO107129A RO81271B1 (ro) 1982-04-02 1982-04-02 Azocuplanta ftalocianinica si procedeu de obtinere a acesteia

Publications (2)

Publication Number Publication Date
RO81271A2 RO81271A2 (ro) 1983-02-15
RO81271B1 true RO81271B1 (ro) 1983-02-28

Family

ID=20111335

Family Applications (1)

Application Number Title Priority Date Filing Date
RO107129A RO81271B1 (ro) 1982-04-02 1982-04-02 Azocuplanta ftalocianinica si procedeu de obtinere a acesteia

Country Status (1)

Country Link
RO (1) RO81271B1 (ro)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3744981B2 (ja) * 1995-09-14 2006-02-15 オリヱント化学工業株式会社 新規フタロシアニン又はナフタロシアニン誘導体

Also Published As

Publication number Publication date
RO81271A2 (ro) 1983-02-15

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