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Dendrimers with 1,3,4‐oxadiazole units, 1. Synthesis and characterization
Author(s) -
Bettenhausen Jörg,
Strohriegl Peter
Publication year - 1996
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.1996.030170903
Subject(s) - dendrimer , characterization (materials science) , intramolecular force , glass transition , ring (chemistry) , amorphous solid , materials science , oxadiazole , oled , chemistry , polymer chemistry , organic chemistry , nanotechnology , polymer , layer (electronics)
The synthesis and characterization of two unsymmetrically substituted star‐shaped oxadiazoles and of a dendrimer of the first generation are described. The key step in the synthesis is the intramolecular ring transformation of aromatic tetrazoles. The well‐defined compounds form stable amorphous glasses with high glass transition temperatures up to 222°C. They are promising candidates for organic light emitting diodes.