title: Olefin metathesis and quadruple hydrogen bonding: a powerful combination in multistep supramolecular synthesis.
abstract: We show that combining concepts generally used in covalent organic synthesis such as retrosynthetic analysis and the use of protecting groups, and applying them to the self-assembly of polymeric building blocks in multiple steps, results in a powerful strategy for the self-assembly of dynamic materials with a high level of architectural control. We present a highly efficient synthesis of bifunctional telechelic polymers by ring-opening metathesis polymerization (ROMP) with complementary quadruple hydrogen-bonding motifs. Because the degree of functionality for the polymers is 2.0, the formation of alternating, blocky copolymers was demonstrated in both solution and the bulk leading to stable, microphase-separated copolymer morphologies.
authors.affiliation: Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.
authors.forename: Oren A
authors.initials: OA
authors.lastname: Scherman
authors.forename: G B W L
authors.initials: GB
authors.lastname: Ligthart
authors.forename: Haruki
authors.initials: H
authors.lastname: Ohkawa
authors.forename: Rint P
authors.initials: RP
authors.lastname: Sijbesma
authors.forename: E W
authors.initials: EW
authors.lastname: Meijer
mesh_terms: D000473:Alkanes; D000475:Alkenes / Q000737:chemistry*; D020816:Amino Acid Motifs; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D019281:Dimerization; D006860:Hydrogen Bonding; D018625:Microscopy, Atomic Force; D008956:Models, Chemical; D008968:Molecular Conformation; D015394:Molecular Structure; D011108:Polymers / Q000737:chemistry; D013696:Temperature; D013816:Thermodynamics
chemical_list: D000473:Alkanes; D000475:Alkenes; D011108:Polymers