New symmetrical chiral dibenzyl- and diphenyl-substituted diamido-, dithionoamido-, diaza-, and azapyridino-18-crown-6 ligands
- 1 September 1992
- journal article
- Published by American Chemical Society (ACS) in The Journal of Organic Chemistry
- Vol. 57 (20), 5383-5394
- https://doi.org/10.1021/jo00046a020