ALPHA-ARYLAMINO-CYANOMETHYLENE-PYRAZOLINONES FROM AZOMETHINE DYES AND MALONODINITRILE

被引：2

作者：

HENNIG, L

MANN, G

SCHELLENBERG, C

FRANKE, K

机构：

[1] Leipzig Universität, Fachbereich Chemie

来源：

JOURNAL FUR PRAKTISCHE CHEMIE-CHEMIKER-ZEITUNG | 1993年 / 335卷 / 04期

关键词：

D O I：

10.1002/prac.19933350411

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The reaction of azomethine dyes (1a - g) with malonodinitrile (2) gives dicyanomethylene-pyrazolin-5-one (4) which immediately reacts with the eliminated anilines by HCN-amine exchange giving the deeply coloured arylamino-cyanomethylene-pyrazolinones (5a-g). Structural investigations and a study of the absorption characteristic are described.

引用

页码：368 / 370

页数：3

共 43 条

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