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Reactions of 1,2-diaminobenzimidazoles with β-dicarbonyl compounds

✍ Scribed by C. Romano; E. De La Cuesta; C. Avendano; F. Florencio; J. Sainz-Aparicio

Publisher
Elsevier Science
Year
1988
Tongue
French
Weight
520 KB
Volume
44
Category
Article
ISSN
0040-4020

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✦ Synopsis

The reactions of 1,2-diaminobenzimidazoles with 13dicarbonyl compounds give 1,2,4-triazepino [2,3_a]benzimidazole and pyrimido [1,2-a] b enzimidazole-derivatives.

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The reaction of tetramethoxyethylene wit
The reaction of tetramethoxyethylene with β-dicarbonyl compounds
✍ P. Camps; J.M. Drudis 📂 Article 📅 1978 🏛 Elsevier Science 🌐 French ⚖ 129 KB

Tetranethoxyethylene (TIIE) is a highly nucleophilic alkene that reacts with methanol, malononitrile or benmic acid to give the addition products, pentaoethoxyethane, 1,2,2~trimethoxyethyltdenemalononitrile and 1,1,2,2-tetramethoxyethyl benxoate respectively'. Roreover, the last product decomposes t