1 International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, P. R. China. kamel_m@jlu.edu.cn ywyang@jlu.edu.cn.
We report a new mono-armed pillar[5]arene with the amino-substituent self-included in the pillarene cavity, which can stabilize the hemiaminals and imines formed from the reaction of aliphatic amines and aldehydes as monitored by mass spectroscopy.