omega-Hydroxydodecanoic acid and the linear dimer of epsilon-hydroxyca
proic acid. resp., were attached to a cross-linked polystyrene by an a
ctivated eater bond. In the presence of strong tert. bases cyclo-oligo
merization occurred on the resin yielding a series of macrocyclic ring
s which were,isolated with up to 10 omega-hydroxy acid residues and 91
ring atoms.