Pyrroles, imidazoles and poly(vinamidines) from bis(vinamidinium salts)

被引：9

作者：

Gompper, R ^{[1
]}

Harfmann, C ^{[1
]}

Polborn, K ^{[1
]}

机构：

[1] Univ Munich, Inst Organ Chem, D-80333 Munchen, Germany

来源：

JOURNAL FUR PRAKTISCHE CHEMIE-CHEMIKER-ZEITUNG | 1998年 / 340卷 / 04期

关键词：

D O I：

10.1002/prac.19983400414

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The reaction of bis(vinamidinium salts) (5a, 6) and amidinium-vinamidinium salts (7, 21) with primary amines was studied. Whereas the condensation of 6 and 7a with p-phenylenediamine and 4,4'diaminostilbene gave rise to poly meric vinamidines (12, 18), 5a and 7b reacted with aromatic amines and diamines to give pyrrole and imidazole derivatives. The reaction of p-aminophenylacetic acid with DMF-POCl3 produced a new amidinium-vinamidinium salt (21) which could be converted into a donor-acceptor substi-tuted diazaterphenyl derivative (22) displaying a strong solvatochromism. - The crystal structure analysis of the 2,2'-bis(vinamidinium salt) 5b revealed a 73 degrees twist angle between the planes of the vinamidinium moieties.

引用

页码：381 / 389

页数：9

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