Crystal structure of 3,3,4,4,5,5-hexafluoro-{1-[2-methyl-5- (4-formylphenyl)-thien-3-yl]-2-[2-methyl-5-(4-(1,3-dioxolan- 2-yl)phenyl)-thien-3-yl]}-cyclopent-1-ene, C31H22F6O3S2

@article{Pu2005CrystalSO,
  title={Crystal structure of 3,3,4,4,5,5-hexafluoro-\{1-[2-methyl-5- (4-formylphenyl)-thien-3-yl]-2-[2-methyl-5-(4-(1,3-dioxolan- 2-yl)phenyl)-thien-3-yl]\}-cyclopent-1-ene, C31H22F6O3S2},
  author={Shouzhi Pu and Qianru Xiao and Ru-Ji Wang and J.-K. Xu and Lichun Shen and B. Chen},
  journal={Zeitschrift f{\"u}r Kristallographie - New Crystal Structures},
  year={2005},
  volume={220},
  pages={265 - 267}
}
C 3 1 H 2 2 F 6 O 3 S 2 , monoclinic, P\2\lc\ (no. 14), a = 27.16(1) A, b = 9.334(2) A, c = 10.929(3) k,ß = 92.10(3)°, V= 2768.4 A, Ζ = 4, Rg^F) = 0.128, wRieffF) = 0.199, T= 293 K. Source of material The title compound was derived originally from 2-methylthiophene. First, 3,5-dibromo-2-methylthiophene was afforded in 87 % yield by bromization 2-methylthiophene in acetic acid. The next step was that one bromine was substituted by B(OH)2 in 76 % yield by borating with B(OBu)3 at -78°C using n… CONTINUE READING

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