RO86458B1 - Coloranti 1-h-indolo-3-dimetilcianinici nesimetrici si procedeu de preparare a acestora - Google Patents

Coloranti 1-h-indolo-3-dimetilcianinici nesimetrici si procedeu de preparare a acestora

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Publication number
RO86458B1
RO86458B1 RO110022A RO11002283A RO86458B1 RO 86458 B1 RO86458 B1 RO 86458B1 RO 110022 A RO110022 A RO 110022A RO 11002283 A RO11002283 A RO 11002283A RO 86458 B1 RO86458 B1 RO 86458B1
Authority
RO
Romania
Prior art keywords
general formula
indolo
preparing
dyes
dyies
Prior art date
Application number
RO110022A
Other languages
English (en)
Other versions
RO86458A2 (ro
Inventor
Ioan Panea
Serban Saidac
Eugenia Barbacaru
Viorica Amariutei
Vasile Chiorean
Original Assignee
Ioan Panea
Serban Saidac
Eugenia Barbacaru
Viorica Amariutei
Vasile Chiorean
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 Ioan Panea, Serban Saidac, Eugenia Barbacaru, Viorica Amariutei, Vasile Chiorean filed Critical Ioan Panea
Priority to RO110022A priority Critical patent/RO86458B1/ro
Publication of RO86458A2 publication Critical patent/RO86458A2/ro
Publication of RO86458B1 publication Critical patent/RO86458B1/ro

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Abstract

Coloranti 1-H-indolo-3-dimetilcianinici nesimetrici, caracterizati prin aceea ca au formula generala I: în care R1 reprezinta hidrogen sau metil, R2 reprezinta hidrogen sau fenil, R reprezinta o grupa cationica aleasa dintre grupele (vezi formula) încare R3 reprezinta o grupa Cl, H3CO sau NO2 si R4 reprezunta o grupa metil sau fenil, iar A reprezinta un anion ales dintre ClO4, J, Cl, si BF4, colorantii avînd puncte de topire cuprinse între 200 si 310 degree C. Procedeul de preparare a colorantilor, co nform inventiei, caracterizat prin aceea ca, se trateaza o 1-H-indol-3-carbaldehida cu formula generala Ii: (vezi formula) în care R1 si R2 au semificatiile de la formula I cu o sare de alchilcicloimoniu cu formula generala III: (vezi formula) în care R si A au semnificatiile de la formula generala I în acid acetic 96% ca solvent, în prezenta unui catalizator ales dintre pirimidina si piperidina, la temperatura de 25...115 degree C si la presiunea atmosferica.
RO110022A 1983-02-16 1983-02-16 Coloranti 1-h-indolo-3-dimetilcianinici nesimetrici si procedeu de preparare a acestora RO86458B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO110022A RO86458B1 (ro) 1983-02-16 1983-02-16 Coloranti 1-h-indolo-3-dimetilcianinici nesimetrici si procedeu de preparare a acestora

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO110022A RO86458B1 (ro) 1983-02-16 1983-02-16 Coloranti 1-h-indolo-3-dimetilcianinici nesimetrici si procedeu de preparare a acestora

Publications (2)

Publication Number Publication Date
RO86458A2 RO86458A2 (ro) 1985-03-15
RO86458B1 true RO86458B1 (ro) 1985-03-31

Family

ID=20112686

Family Applications (1)

Application Number Title Priority Date Filing Date
RO110022A RO86458B1 (ro) 1983-02-16 1983-02-16 Coloranti 1-h-indolo-3-dimetilcianinici nesimetrici si procedeu de preparare a acestora

Country Status (1)

Country Link
RO (1) RO86458B1 (ro)

Also Published As

Publication number Publication date
RO86458A2 (ro) 1985-03-15

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