Acentric Extended Solids by Self Assembly of 4,4′-Bipyrazolyls

The inter‐ring angle φ of 4,4′‐bipyrazolyls, which can be controlled by varying the 3,3′‐ and 5,5′‐substituents, determines their association into different three‐dimensional arrays through interaction of their self‐complementary hydrogen‐bond donor and acceptor sites. Thus, for φ≈90°, a (10,3)‐b ne...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2001-09, Vol.40 (18), p.3435-3438
Main Authors: Boldog, Ishtvan, Rusanov, Eduard B., Chernega, Alexander N., Sieler, Joachim, Domasevitch, Konstantin V.
Format: Article
Language:English
Subjects:
Arrays
chirality
crystal engineering
hydrogen bonds
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Self assembly
supramolecular chemistry
Three dimensional
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Summary:The inter‐ring angle φ of 4,4′‐bipyrazolyls, which can be controlled by varying the 3,3′‐ and 5,5′‐substituents, determines their association into different three‐dimensional arrays through interaction of their self‐complementary hydrogen‐bond donor and acceptor sites. Thus, for φ≈90°, a (10,3)‐b net is formed (see picture, top), while for φ≈60°, the inherently chiral (10,3)‐c net is obtained (see picture, bottom).
ISSN:1433-7851
1521-3773
DOI:10.1002/1521-3773(20010917)40:18<3435::AID-ANIE3435>3.0.CO;2-M