1361550-34-6

Basic information

• Product Name: 2,2'',7,7''-tetrakis(9,9-dioctyl-9H-fluoren-2-yl)dispiro[fluorene-9,6'-indeno[1,2-b]fluorene-12',9''-fluorene]
• Synonyms: 2,2'',7,7''-tetrakis(9,9-dioctyl-9H-fluoren-2-yl)dispiro[fluorene-9,6'-indeno[1,2-b]fluorene-12',9''-fluorene]
• CAS NO: 1361550-34-6
• Molecular Weight: 2109.24
• Mol File: 1361550-34-6.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: 2,2'',7,7''-tetrakis(9,9-dioctyl-9H-fluoren-2-yl)dispiro[fluorene-9,6'-indeno[1,2-b]fluorene-12',9''-fluorene](CAS DataBase Reference)
• NIST Chemistry Reference: 2,2'',7,7''-tetrakis(9,9-dioctyl-9H-fluoren-2-yl)dispiro[fluorene-9,6'-indeno[1,2-b]fluorene-12',9''-fluorene](1361550-34-6)
• EPA Substance Registry System: 2,2'',7,7''-tetrakis(9,9-dioctyl-9H-fluoren-2-yl)dispiro[fluorene-9,6'-indeno[1,2-b]fluorene-12',9''-fluorene](1361550-34-6)

Safety Data

• Hazardous Substances Data: 1361550-34-6(Hazardous Substances Data)

Upstream product

• 1361550-33-5 9,9′-([1,1′:4′,1″-terphenyl]-2,2″-diyl)bis(2,7-dibromo-9H-fluoren-9-ol) 
• 302554-81-0 9,9-dioctylfluorene-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) 

Relevant articles and documents

Blue emitting 3 π-2 spiro terfluorene-indenofluorene isomers: A structure-properties relationship study

Two novel terfluorenyl derivatives, 2,2′′,7,7′′- tetrakis(9,9-dioctyl-9H-fluoren-2-yl)dispiro[fluorene-9,11′-indeno-(2,1-a) -fluorene-12′,9′′-fluorene] ((2,1-a)-DST-IF) and 2,2′′,7,7′′-tetrakis(9,9-dioctyl-9H-fluoren-2-yl) dispiro- [fluorene-9,6′-indeno-(1,2-b)-fluorene-12′,9′′- fluorene] ((1,2-b)-DST-IF) have been synthesized by two different synthetic approaches. These terfluorenyl derivatives possess a different central indenofluorene core, namely (2,1-a)-indenofluorene or (1,2-b)-indenofluorene, which imposes two distinct geometry profiles, and different structural environments for the terfluorenyl fluorophores that translates into drastically different optical and electrochemical properties for (2,1-a)-DST-IF and (1,2-b)-DST-IF. These properties have been carefully studied through a combined experimental and theoretical approach. The (2,1-a)-DST-IF isomer has been successfully used as emitting layer in a blue single-layer small-molecule organic light-emitting diode (SMOLED) and appears as the first example of a blue emission arising from intramolecular terfluorenyl excimers. Regarding the importance of terfluorenyl derivatives in organic electronics, the present structure-properties relationship study, may open new avenues in the design of efficient blue fluorophores.