New Hydrogen-Bonded Donor−Acceptor Pairs between Dipyridylacetylenes and 2,5-Dichloro-3,6-dihydroxy-1,4-benzoquinone
- 20 January 2000
- journal article
- Published by American Chemical Society (ACS) in Organic Letters
- Vol. 2 (3) , 273-275
- https://doi.org/10.1021/ol991229q
Abstract
[structure: see text] The crystalline donor-acceptor hydrogen-bonding complexes between 2,5-dichloro-3,6-dihydroxy-1,4-benzoquinone (chloranilic acid) and dipyridylacetylenes (DPA) [2,2'-DPA, 3,3'-DPA, and 4,4'-DPA] were prepared, and crystal structures were revealed by X-ray analysis. The structures of the complexes are formed by intermolecular hydrogen-bonding interactions and demonstrate three supramolecular architectures based on a new common supramolecular synthon, which allows the formation of a different stacking arrangement and ionicity.Keywords
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