3,7-Dibromodibenzo[b,d]thiophene

Uses

3,7-Dibromodibenzo[b,d]thiophene can be used for the synthesis of nitrogen-containing compounds, electronic components and materials for electronic devices.

Synthesis

GENERAL STEPS: 3,7-dibromodibenzo[b,d]thiophene-5,5-dioxide (48) was synthesized in 59% yield from 3,7-dibromodibenzo[b,d]thiophene (49) by a methodology reported in the literature (see Refs. H. Sirringhaus, R.H. Friend, C. Wang et al, J. Mater. Chem. , 1999, 9, 2095-2101). The product was characterized by 1H NMR (CDCl3): δ 7.97 (d, 2H), 7.96 (d, 2H), 7.56 (dd, 2H).

References

[1] Journal of the American Chemical Society, 1986, vol. 108, # 24, p. 7763 - 7767
[2] Journal of Materials Chemistry, 1999, vol. 9, # 9, p. 2095 - 2101
[3] Patent: US9127020, 2015, B2. Location in patent: Page/Page column 38; 39
[4] Macromolecules, 2013, vol. 46, # 6, p. 2078 - 2091
[5] Patent: KR2015/141126, 2015, A. Location in patent: Paragraph 0121; 0125; 0126