Halogen-Bonded Supramolecular Parallelograms: From Self-Complementary Iodoalkyne Halogen-Bonded Dimers to 1:1 and 2:2 Iodoalkyne Halogen-Bonded Cocrystals
Eric Bosch,
Erin Speetzen,
Nathan P. Bowling
Abstract:The formation of
supramolecular parallelograms utilizing iodoalkyne–pyridine
halogen bonding is described. The crystal structures of four iodoalkynyl-substituted
(phenylethynyl)pyridines demonstrate the feasibility of discrete self-complementary
dimer formation. These compounds 3-(2-iodoethynyl-phenylethynyl) pyridine
(1), 2-(3-iodoethynyl-phenylethynyl) pyridine (2), 3-(4,5-difluoro-2-iodoethynyl-phenylethynyl) pyridine
(3), and 2-(5-iodoethynyl-2,4-dimethylphenylethynyl)
pyridine (4) all form parallelogram-s… Show more
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