Article:
Crown Ethers with a Lewis Acidic Center: A New Class of Heterotopic Host
Molecules
Author: Reetz, Manfred T.
Journal:
Angewandte Chemie International Edition in English
ISSN: 0570-0833
Date: 11/1991
Volume:
30
Issue:
11
Page:
1472
DOI:
10.1002/anie.199114721