Zinc dimerization of p-tert-butylcalix[4]arene
- 1 April 1996
- journal article
- research article
- Published by Taylor & Francis in Supramolecular Chemistry
- Vol. 7 (1) , 15-17
- https://doi.org/10.1080/10610279608054990
Abstract
Reaction of p-tert-butylcalix[4]arene, 1, with excess ZnEt2 results in complete metallation of the calixarene, or with two equivalents of ZnEt2 selective dimetallation occurs yielding the bis(calix[4]arene) species [{1-H2)Zn}2], 2; distorted four coordinate O-bound zinc centers (Zn-O = 1.896(7) – 1.978(8) Å) fuse the slightly flattened cone conformation calixarene units with methylene chloride included in the divergent cavities.Keywords
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