63039-87-2

Upstream product

• 24444-98-2 2,3-dihydrodibenzo[b,d]thiophen-4(1H)-one 
• 539-44-6 N-4-methylphenylhydrazine 
• 97511-05-2 4-bromodibenzothiophene 
• 615-65-6 2-chloro-4-methyl-benzenamine 

Relevant academic research and scientific papers

COMPOUNDS, ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC APPARATUS

PROBLEM TO BE SOLVED: To provide compounds having excellent capabilities for use in an organic EL element. SOLUTION: The invention provides compounds represented by any of the formulas (1) to (3). In the formulas (1) to (3), R1 and R2 are each a nitrogen-containing fused heterocyclic compound or a carbazole-based compound, where R1 and R2 are different from each other. SELECTED DRAWING: None COPYRIGHT: (C)2021,JPOandINPIT

Synthesis of pentacyclic heteroaromatic systems related to indolocarbazoles alkaloids

A direct access to pentacyclic molecules via Fischer Indole Synthesis starting from tricyclic ketones is described.