title: Directed assembly via selectively positioned host functionality.
abstract: Introduction of distal carboxylic acid groups over two positions at the upper-rim of a di-O-alkylcalix[4]arene provides facile control over coordination polymer or discrete metal-organic capsule formation.
authors.affiliation: Institute of Chemical Sciences, Heriot - Watt University, Riccarton, Edinburgh, EH14 4AS, Scotland, UK.
authors.forename: Piotr P
authors.initials: PP
authors.lastname: Cholewa
authors.forename: Christine M
authors.initials: CM
authors.lastname: Beavers
authors.forename: Simon J
authors.initials: SJ
authors.lastname: Teat
authors.forename: Scott J
authors.initials: SJ
authors.lastname: Dalgarno