Issue 19, 2000
From the journal:

Chemical Communications

Amine guest size and hydrogen-bonding influence the structures of p-tert-butylcalix[4]arene inclusionsIssued as NRCC No. 43850. E. B. B. and J. A. R. thank NSERC for partial support of this work.

Eric B. Brouwer,a   Kostantin A. Udachin,a   Gary D. Enrighta  and  John A. Ripmeester*a  

* Corresponding authors

a Steacie Institute for Molecular Sciences, National Research Council, Ottawa, Ontario, Canada
E-mail: jar@ned1.sims.nrc.ca

Abstract

A novel structure involving a 2(p-tert-butylcalix[4]arene)·3.5(1,4-butanediamine) inclusion compound shows amine sites both exo and endo to the cavity, with the amine hydrogen-bonding to itself as well as to the host hydroxyl groups; for bulky amines with large pKa values, steric factors are more important than basicity, and the formation of a 1∶1, high-symmetry host–guest structure is preferred over a low-symmetry hydrogen-bonded structure.

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Article information

DOI
https://doi.org/10.1039/B001274M
Article type
Communication
Submitted
04 Feb 2000
Accepted
24 Jul 2000
First published
19 Sep 2000

Chem. Commun., 2000, 1905-1906

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Amine guest size and hydrogen-bonding influence the structures of p-tert-butylcalix[4]arene inclusions

E. B. Brouwer, K. A. Udachin, G. D. Enright and J. A. Ripmeester, Chem. Commun., 2000, 1905 DOI: 10.1039/B001274M

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