89877-07-6Relevant academic research and scientific papers
HETERO-CYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
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, (2016/10/07)
The present invention provides: a heterocyclic compound which can significantly improve lifespan, efficiency, electrochemical stability, and thermal stability of an organic light emitting device; and an organic light emitting device containing the heterocyclic compound in an organic compound layer. The heterocyclic compound is represented by chemical formula 1.COPYRIGHT KIPO 2016
Thermal Rearrangements of Cyclic Amine Ylides. III. Intramolecular Cyclization of 2-Ethynylpyridine N-Imides to 3-Azaindolizine Derivatives
Tsuchiya, Takashi,Sashida, Haruki,Konoshita, Ari
, p. 4568 - 4572 (2007/10/02)
Treatment of the N-aminopyridinium salts (5a-e) prepared from 2-ethynylpyridines (4) with potassium carbonate resulted in an intramolecular cyclization to give the corresponding 3-azaindolizines (6) (pyrazolopyridines), presumably via the ionic in
