Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.tetlet.2006.06.143
Title: An efficient synthesis of novel spiro[[8H]indeno[2,1-b]-thiophene-8,9′-fluorene] building block for blue light-emitting materials
Authors: Xie, L.-H.
Fu, T.
Hou, X.-Y.
Tang, C.
Hua, Y.-R.
Wang, R.-J.
Fan, Q.-L.
Peng, B.
Wei, W.
Huang, W. 
Keywords: BF 3·Et 2O
Blue light-emitting materials
Spiro compounds
Spiroindenothiophenefluorene
Issue Date: 4-Sep-2006
Source: Xie, L.-H., Fu, T., Hou, X.-Y., Tang, C., Hua, Y.-R., Wang, R.-J., Fan, Q.-L., Peng, B., Wei, W., Huang, W. (2006-09-04). An efficient synthesis of novel spiro[[8H]indeno[2,1-b]-thiophene-8,9′-fluorene] building block for blue light-emitting materials. Tetrahedron Letters 47 (36) : 6421-6424. ScholarBank@NUS Repository. https://doi.org/10.1016/j.tetlet.2006.06.143
Abstract: We have developed efficient synthetic routes to obtain a novel building block spiro[[8H]indeno[2,1-b]thiophene-8,9′-fluorene] (SITF), a monothiophene-containing spirobifluorene analogue, and constructed blue light-emitting materials, including 2′,7′-bis([1,1′-biphenyl]-4-yl)-spiro[indeno[2,1-b]thiophene-8,9′-fluorene] (BBP-SITF) and 2′,7′-bis(9,9′-spirobifluoren-2-yl)spiro[[8H]indeno[2,1-b]-thiophene-8,9′-fluorene] (BSBF-SITF). BSBF-SITF has shown to be a stable blue light-emitting material with high PL quantum efficiency (89%) and unique regioselective feature at the C2 of thiophene, which indicate that BSBF-SITF will be useful for constructing complicated optoelectronic systems. © 2006 Elsevier Ltd. All rights reserved.
Source Title: Tetrahedron Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/66443
ISSN: 00404039
DOI: 10.1016/j.tetlet.2006.06.143
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