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

Syntheses with nitriles, XXXIX: Dyes obtained from dicyanomethylene-1.3-indandione by amine—HCN-exchange, II

Synthesen mit Nitrilen, 39. Mitt.

  • Organische Chemie und Biochemie
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Monatshefte für Chemie / Chemical Monthly Aims and scope Submit manuscript

Abstract

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.

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Authors and Affiliations

  1. Abteilung für Organische Chemie I, Institut für Organische Chemie der Universität in Graz, Heinrichstraß 28, A-8010, Graz, Österreich

    H. Fischer-Colbrie, H. Aigner &  H. Junek

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  1. H. Fischer-Colbrie
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  2. H. Aigner
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  3. H. Junek
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Fischer-Colbrie, H., Aigner, H. & Junek, H. Farbstoffe durch Amin—HCN-Austauschreaktion am 2-Dicyanmethylen-1,3-indandion, 2. Mitt.. Monatshefte für Chemie 106, 743–753 (1975). https://doi.org/10.1007/BF00902180

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  • DOI: https://doi.org/10.1007/BF00902180

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