Synthesis of unsymmetrical chiral triaza-18-crown-6 and diaza-12-crown-4 with a pendant group
Lee
CW
Department of Chemistry, Center for Superfunctional Materials, Pohang University of Science and Technology, Pohang 790-784, Korea chiwan@chem.postech.ac.kr.
Jung
EJ
Lee
SJ
Ahn
KH
Kim
KS