2,4,6-tris (biphenyl-3-yl) -1,3,5-triazine

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Structural formula
Structural formula of trisbiphenyltriazine
General
Surname 2,4,6-tris (biphenyl-3-yl) -1,3,5-triazine
other names
  • Trisbiphenyltriazine (ambiguous)
  • 2,4,6-tris ( m -biphenylyl) - s -triazine
  • 2,4,6-tris (3-biphenylyl) -1,3,5-triazine
Molecular formula C 39 H 27 N 3
External identifiers / databases
CAS number 1201800-83-0
Wikidata Q17521006
properties
Molar mass 537.66 g mol −1
Physical state

firmly

Melting point

204 ° C

safety instructions
GHS hazard labeling
no classification available
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

2,4,6-Tris (biphenyl-3-yl) -1,3,5-triazine is a chemical compound that can be assigned to the substance groups of triazines and biphenyls . The 2,4,6-tris (biphenyl-4-yl) -1,3,5-triazine and the 2,4,6-tris (biphenyl-2-yl) -1,3,5-triazine still exist two isomeric trisbiphenyltriazines .

Extraction and presentation

One synthesis variant is based on the formation of the triazine structure by a trimerization of m-bromobenzonitrile. In the second step, the conversion to the target compound takes place in a triple Suzuki reaction with benzene boronic acid .

2,4,6-Tris (biphenyl-3-yl) -1,3,5-triazine synthesis01.svg

properties

The synthesis results in an amorphous material which shows a glass transition at 95 ° C. After cold crystallization from 137 ° C, a crystalline material is formed which melts at 204 ° C.

use

The connection is discussed as a component in green emitting OLEDs .

Individual evidence

  1. ↑ a b c d Chen, Hsiao fan; Wang, Ting-Chih; Wong, Ken-Tsung; Yang, Shang-Jung; Hung; Wen-Yi; Tsai, Zhen-Han: 1,3,5-Triazine derivatives as new electron transport-type host materials for highly efficient green phosphorescent OLEDs . In: Journal of Material Chemistry . tape 19 , 2009, p. 8112-8118 , doi : 10.1039 / B913423A .
  2. ↑ a b Chen, Hsiao fan; Wang, Ting-Chih; Lin, Shih-Wei; Hung, Wen-Yi; Dai, Hung-Chi; Chui, Hao-Chih; Wong, Ken-Tsung; Ho, Meng-Huan; Cho, Ting-Yi; Chenc, Chieh-Wei; Lee, Chenc Chung-Chun: Peripheral modification of 1,3,5-triazine based electron-transporting host materials for sky blue, green, yellow, red, and white electrophosphorescent devices . In: Journal of Material Chemistry . tape 22 , 2012, p. 15620-15627 , doi : 10.1039 / C2JM31904G .
  3. ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.