Halogen‐Bond‐Mediated Assembly of a Single‐Component Supramolecular Triangle and an Enantiomeric Pair of Double Helices from 2‐(Iodoethynyl)pyridine Derivatives | Zendy

Ng ChunFai | Zendy; Chow HakFun | Zendy; Mak Thomas C. W. | Zendy

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Halogen‐Bond‐Mediated Assembly of a Single‐Component Supramolecular Triangle and an Enantiomeric Pair of Double Helices from 2‐(Iodoethynyl)pyridine Derivatives

Author(s) -

Ng ChunFai,

Chow HakFun,

Mak Thomas C. W.

Publication year - 2018

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201800469

Subject(s) - supramolecular chemistry , halogen bond , pyridine , intermolecular force , monomer , crystallography , chemistry , enantiomer , supramolecular assembly , crystallization , halogen , stereochemistry , supramolecular chirality , double bond , single bond , hydrogen bond , polymer chemistry , molecule , crystal structure , organic chemistry , alkyl , polymer

Construction of single‐component supramolecular triangle and unprecedented spontaneous resolution of pairs of intertwined supramolecular 3 1 ‐ and 3 2 ‐double helices by the self‐assembly of achiral 2‐(iodoethynyl)pyridine and its derivatives have been achieved through intermolecular ethynyl C−I⋅⋅⋅⋅N halogen bonds in the crystalline state. Fine‐tuning of the molecular structure of the achiral monomer and choice of solvents for crystallization have a dominant effect on the resultant supramolecular architectures.

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