The facile synthesis of a resorcin[4]arene-based imino-cavitand with benzamido moieties and its self-assembly into molecular capsules are reported. Benzamido-iminocavitand 2 efficiently self-assembled into thermally inert molecular capsules in the presence of suitable guests via the eight intermolecular N–H⋯O![[double bond, length as m-dash]](http://www.rsc.org/images/entities/char_e001.gif)
C hydrogen bonds.
![Graphical abstract: Versatile self-assembled molecular capsule formation of a resorcin[4]arene-based benzamidoiminocavitand](http://hg.y866.cn/compound/lib/scimg/usr/1/C3CC42671H.jpg)
