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H. Aigner

University of Graz

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Monatshefte Fur Chemie | 1975

Farbstoffe durch Amin—HCN-Austauschreaktion am 2-Dicyanmethylen-1,3-indandion, 2. Mitt.

Herwig Fischer-Colbrie; H. Aigner; Hans Junek

Further examples for the amine—HCN-exchange reaction of dieyanomethylene-1.3-indandione are given. With aminonaphthoquinones and aminoanthraquinones, resp., thermolabile adducts are isolated, which eliminate HCN to anthrachinoyl-amino-dioxo-indanyliden-acetonitriles and dioxo-indanylidene-naphthochinoyl-amino-acetonitriles, resp. The reaction of dicyanomethylene-1.3-indandione with amino-pyrazoles yields indeno-pyrazolo-pyridines, formed by elimination of HCN and condensation. In the presence of piperidine or morpholine malononitrile is added to dicyanomethylene-indandione and orange-red amino-dioxo-indanylidene-piperidino- (morpholino-) propene-dicarbonitriles are formed.

Chemische Berichte | 1973

Synthesen mit Nitrilen, XXXV. Reaktionen von Tetracyanäthylen mit Heterocyclen

Hans Junek; H. Aigner

Helvetica Chimica Acta | 1972

Synthesen mit Nitrilen. 33. Mitteilung. Phenylhydrazone des Dicyanmethylenindandions: Struktur und Farbe

Hans Junek; Herwig Fischer-Colbrie; H. Aigner; André M. Braun

Tetrahedron Letters | 1973

Merocyanine des cyanmethylenindandions, synthesen mit nitrilen XXXV.

Hans Junek; Albin Hermetter; Herwig Fischer-Colbrie; H. Aigner

ChemInform | 1975

SYNTHESEN MIT NITRILEN 39. MITT. FARBSTOFFE DURCH AMIN-HCN-AUSTAUSCHREAKTION AM 2-DICYANMETHYLEN-1,3-INDANDION 2. MITT.

Herwig Fischer-Colbrie; H. Aigner; Hans Junek

Monatshefte Fur Chemie | 1975

Syntheses with nitriles, XXXIX: Dyes obtained from dicyanomethylene-1.3-indandione by amine?HCN-exchange, II: Synthesen mit Nitrilen, 39. Mitt.

Herwig Fischer-Colbrie; H. Aigner; Hans Junek

ChemInform | 1973

SYNTH. MIT NITRILEN 35. MITT. RK. VON TETRACYANAETHYLEN MIT HETEROCYCLEN

Hans Junek; H. Aigner

ChemInform | 1973

MEROCYANINE DES CYANMETHYLENINDANDIONS, SYNTHESEN MIT NITRILEN 35. MITT.

Hans Junek; Albin Hermetter; Herwig Fischer-Colbrie; H. Aigner

Monatshefte Fur Chemie | 1972

Syntheses with nitriles, XXXII: Dyes obtained from 2-Dicyanomethylene-1.3-indandione by amine-HCN-exchange, I

Hans Junek; H. Aigner; H. Fischer-Colbric

ChemInform | 1972

SYNTH. MIT NITRILEN 32. MITT. FARBSTOFFE DURCH AMIN-HCN-AUSTAUSCHRK. AM 2-DICYANMETHYLEN-1,3-INDANDION 1. MITT.

Hans Junek; H. Aigner; Herwig Fischer-Colbrie

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Hans Junek

University of Graz

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Herwig Fischer-Colbrie

University of Graz

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Albin Hermetter

Graz University of Technology

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H. Sterk

University of Graz

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André M. Braun

Karlsruhe Institute of Technology

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André M. Braun

Karlsruhe Institute of Technology

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