RO87594B1 - Procedeu de obtinere a cuplantilor cian colorati - Google Patents

Procedeu de obtinere a cuplantilor cian colorati

Info

Publication number
RO87594B1
RO87594B1 RO111201A RO11120183A RO87594B1 RO 87594 B1 RO87594 B1 RO 87594B1 RO 111201 A RO111201 A RO 111201A RO 11120183 A RO11120183 A RO 11120183A RO 87594 B1 RO87594 B1 RO 87594B1
Authority
RO
Romania
Prior art keywords
cyanide
coupling
couplings
naphthoic acid
colored
Prior art date
Application number
RO111201A
Other languages
English (en)
Other versions
RO87594A2 (ro
Inventor
Paul Constantin
Mariana Lechintan
Original Assignee
COMBINATUL DE îNGRASAMINTE CHIMICE
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 COMBINATUL DE îNGRASAMINTE CHIMICE filed Critical COMBINATUL DE îNGRASAMINTE CHIMICE
Priority to RO83111201A priority Critical patent/RO87594A2/ro
Publication of RO87594B1 publication Critical patent/RO87594B1/ro
Publication of RO87594A2 publication Critical patent/RO87594A2/ro

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  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Inventia se refera la un procedeu de obtinere a cuplantilor cian colorati necesari industrie de materiale fotosensibile. Cuplanti cian colorati sînt necesari pentru corectarea absorbtiei culorilor la materialele fotosensibile color, avînd formula generala (vezi formula) caracterizat prin aceea ca, într-o prima faza se obtine esterul fenilic al acidului 1-hidroxi-2-naftoic, prin esterificarea acidului naftoic cu fenol în prezenta de oxicloura de fosfor la 110...120 degree C, dupa care esterul obtinutlacondensare cu o amina primara NH2-x în piridina la 180 degree C, iar produsul rezultat se recristalizeaza din acidul acestic glacial, cuplantul cian incolor astfel obtinut, cuplîndu-se cu o sare de diazoniu preparata din amine de tip NH2-y în pirimidina, înfinal rezultînd un cuplant cian colorat.
RO83111201A 1983-06-08 1983-06-08 Procedeu de obtinere a cuplantilor cian colorati RO87594A2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO83111201A RO87594A2 (ro) 1983-06-08 1983-06-08 Procedeu de obtinere a cuplantilor cian colorati

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO83111201A RO87594A2 (ro) 1983-06-08 1983-06-08 Procedeu de obtinere a cuplantilor cian colorati

Publications (2)

Publication Number Publication Date
RO87594B1 true RO87594B1 (ro) 1985-12-01
RO87594A2 RO87594A2 (ro) 1986-12-10

Family

ID=20113199

Family Applications (1)

Application Number Title Priority Date Filing Date
RO83111201A RO87594A2 (ro) 1983-06-08 1983-06-08 Procedeu de obtinere a cuplantilor cian colorati

Country Status (1)

Country Link
RO (1) RO87594A2 (ro)

Also Published As

Publication number Publication date
RO87594A2 (ro) 1986-12-10

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