Hydrogen bonds seal single-molecule capsules |
| |
Authors: | Atwood Jerry L Szumna Agnieszka |
| |
Institution: | Department of Chemistry, University of Missouri-Columbia, Columbia, MO 65211, USA. atwoodj@missouri.edu |
| |
Abstract: | In the presence of methanol the tetrakis(benzoxazines) complex tetramethylammonium cation within the cavity, and the cavity is completely sealed by two intramolecular hydrogen bonds between amide groups. The Cl(-) anion is found external to the cavity. In CHCl(3), Me(4)N(+) is complexed within the cavity, but the Cl(-) anion acts as a stopper in the upper rim of the cavity, hydrogen-bonded to the amide groups. The solution results are supported by single-crystal X-ray structural studies of both the single-molecule molecular capsules, and those stoppered by Cl(-). |
| |
Keywords: | |
本文献已被 PubMed 等数据库收录! |
|