1-Phenylthieno [3, 4-d] borepin: a new 10. pi. electron system isoelectronic with azulene

Y Sugihara, T Yagi, I Murata…

Index: Sugihara, Yoshikazu; Yagi, Toshiyasu; Murata, Ichiro Journal of the American Chemical Society, 1992 , vol. 114, p. 1479 - 1481

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Citation Number: 47

Abstract

(4) All new compounds have been characterized spectroscopically and by elemental analysis and/or mass spectrometry. 6:'H NMR (CDCI,, 100 MHz) 6 0.23 (s, 18 H), 7.36 (s, 2 H); EI-MS m/z 276 (M+, 80), 261 (M+-CH,, 100). 7: colorless oil; IH NMR (CDCI,, 90 MHz) 6 3.22 (s, 2 H), 7.47 (s, 2 H); EI-MS m/z 132 (M*, 100). 8: colorless oil; IH NMR*(CDCl,, 90 MHz) 6 0.62-1.71 (m, 18 H), 6.23 (d, J= 14 Hz, H-2, 8), 7.25 (s, 2 H, H-4, 6), 7.73 (d, J= 14 ...