Trihalogenated compounds act as effective and selective templates in the template-assisted synthesis of meso-hexaphenyl-calix[6]pyrrole.
![Graphical abstract: The role of template in the synthesis of meso-hexamethyl- meso-hexaphenyl-calix[6]pyrrole: trihalogenated compounds as templates for the assembly of a host with a trigonal cavity](http://hg.y866.cn/compound/lib/scimg/usr/1/B106162N.jpg)
