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Synthesis and complexing properties of methylated calix[4](aza)crown derivatives

✍ Scribed by Issam Oueslati; Rym Abidi; Pierre Thuéry; Martine Nierlich; Zouhair Asfari; Jack Harrowfield; Jacques Vicens

Publisher
Elsevier Science
Year
2000
Tongue
French
Weight
118 KB
Volume
41
Category
Article
ISSN
0040-4039

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✦ Synopsis

The synthesis of methylated calix4crowns and their complexing properties towards Co 2+ , Ni 2+ and Cu 2+ are described. The crystal structure of one of those ligands, hydrogen bonded to a picric acid molecule via a water molecule, is given.

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Synthesis and nitration of calix[4] (aza
Synthesis and nitration of calix[4] (aza) crowns
✍ Zheng Qi-Yu; Chen Chuan-Feng; Huang Zhi-Tang 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 555 KB

## Abstract Calix[4] (aza) crowns containing amide groups 3a—d were synthesized by the reactions of calix[4]arene (la) or __p‐tert‐__butylcalix[4]arene (1b) with __N, N′__‐ethylenebis(2‐chloroacetamide) (2a) or __N, N′‐__ 1,2‐ethylenebis (2‐chloroacetamide) (2b) by one step procedure in yields of 8