Nonadditive substituent effects on expanding prestrained C-C bond in crystal: X-ray analyses on unsymmetrically substituted tetraarylpyracenes prepared by a flow microreactor method

Takanori Suzuki; Yasuto Uchimura; Yusuke Ishigaki; Takashi Takeda; Ryo Katoono; Hidetoshi Kawai; Kenshu Fujiwara; Aiichiro Nagaki; Jun Ichi Yoshida

doi:10.1246/cl.2012.541

Nonadditive substituent effects on expanding prestrained C-C bond in crystal: X-ray analyses on unsymmetrically substituted tetraarylpyracenes prepared by a flow microreactor method

Takanori Suzuki, Yasuto Uchimura, Yusuke Ishigaki, Takashi Takeda, Ryo Katoono, Hidetoshi Kawai, Kenshu Fujiwara, Aiichiro Nagaki, Jun Ichi Yoshida

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

Based on space integration using a flow microreactor system, the title unsymmetrically substituted pyracenes with an extremely long C-C bond [1.714(2)1.739(4) Å] are readily accessible, whose structures demonstrate nonadditive substituent effects on expanding the polyarylated C ₁C ₂ bond in crystal. The bond lengths rather exhibit correlation with the eclipsing degree of the C _sp ³C _sp ³ bond, which is more affected by the intermolecular factors such as crystal packing.

Original language	English
Pages (from-to)	541-543
Number of pages	3
Journal	Chemistry Letters
Volume	41
Issue number	5
DOIs	https://doi.org/10.1246/cl.2012.541
Publication status	Published - 2012

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Chemistry(all)

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10.1246/cl.2012.541

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Suzuki, T., Uchimura, Y., Ishigaki, Y., Takeda, T., Katoono, R., Kawai, H., Fujiwara, K., Nagaki, A., & Yoshida, J. I. (2012). Nonadditive substituent effects on expanding prestrained C-C bond in crystal: X-ray analyses on unsymmetrically substituted tetraarylpyracenes prepared by a flow microreactor method. Chemistry Letters, 41(5), 541-543. https://doi.org/10.1246/cl.2012.541

Nonadditive substituent effects on expanding prestrained C-C bond in crystal : X-ray analyses on unsymmetrically substituted tetraarylpyracenes prepared by a flow microreactor method. / Suzuki, Takanori; Uchimura, Yasuto; Ishigaki, Yusuke et al.

In: Chemistry Letters, Vol. 41, No. 5, 2012, p. 541-543.

Research output: Contribution to journal › Article › peer-review

Suzuki, T, Uchimura, Y, Ishigaki, Y, Takeda, T, Katoono, R, Kawai, H, Fujiwara, K, Nagaki, A & Yoshida, JI 2012, 'Nonadditive substituent effects on expanding prestrained C-C bond in crystal: X-ray analyses on unsymmetrically substituted tetraarylpyracenes prepared by a flow microreactor method', Chemistry Letters, vol. 41, no. 5, pp. 541-543. https://doi.org/10.1246/cl.2012.541

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Nonadditive substituent effects on expanding prestrained C-C bond in crystal: X-ray analyses on unsymmetrically substituted tetraarylpyracenes prepared by a flow microreactor method

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