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Macrocyclic formazans — Derivatives of [1,11,4,5,7,8]-dioxatetraazacyclotetradecyne

✍ Scribed by V. M. Dziomko; V. M. Ostrovskaya; T. E. Zhukova


Book ID
112351305
Publisher
Springer US
Year
1979
Tongue
English
Weight
167 KB
Volume
15
Category
Article
ISSN
0009-3122

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New synthesis of macrocyclic crown-forma
✍ Yehia A. Ibrahim; Ahmed H.M. Elwahy; Ashraf A. Abbas 📂 Article 📅 1994 🏛 Elsevier Science 🌐 French ⚖ 704 KB

## Absfmk The macmcyclic crown-formamas 7ac. 121-g were prepared by the azc coupling of the appropriate bisdiazoaium salts 4a-c with pyruvic acid and a&ruvic acids 8~. The ready accessability of the latters e&m an easy access towards l,$-symnWically disubstihW4i-3-arylformazam e.g. 1Oa-g as well a