Scope of the thermal cyclization of nonconjugated ene-yne-nitrile system: A facile synthesis of cyanofluorenol derivatives

Hidenori Kimura; Kohei Torikai; Kazuhiro Miyawaki; Ikuo Ueda

doi:10.1246/cl.2008.662

Scope of the thermal cyclization of nonconjugated ene-yne-nitrile system: A facile synthesis of cyanofluorenol derivatives

Hidenori Kimura, Kohei Torikai, Kazuhiro Miyawaki, Ikuo Ueda

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

24 Citations (Scopus)

Abstract

Thermal cyclizations of nonconjugated ene-diyne-nitrile 1 and ene-triyne-nitrile 2 systems were examined and proved to yield not azafluorenol. but cyanofluorenol derivatives (9 and 11, respectively), indicating that the cyano groups do not participate in the radical cycloaromatization but do play important roles to determine the mode of cyclization.

Original language	English
Pages (from-to)	662-663
Number of pages	2
Journal	Chemistry Letters
Volume	37
Issue number	6
DOIs	https://doi.org/10.1246/cl.2008.662
Publication status	Published - Jun 5 2008
Externally published	Yes

All Science Journal Classification (ASJC) codes

Chemistry(all)

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10.1246/cl.2008.662

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abstract = "Thermal cyclizations of nonconjugated ene-diyne-nitrile 1 and ene-triyne-nitrile 2 systems were examined and proved to yield not azafluorenol. but cyanofluorenol derivatives (9 and 11, respectively), indicating that the cyano groups do not participate in the radical cycloaromatization but do play important roles to determine the mode of cyclization.",

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AU - Torikai, Kohei

AU - Miyawaki, Kazuhiro

AU - Ueda, Ikuo

PY - 2008/6/5

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N2 - Thermal cyclizations of nonconjugated ene-diyne-nitrile 1 and ene-triyne-nitrile 2 systems were examined and proved to yield not azafluorenol. but cyanofluorenol derivatives (9 and 11, respectively), indicating that the cyano groups do not participate in the radical cycloaromatization but do play important roles to determine the mode of cyclization.

AB - Thermal cyclizations of nonconjugated ene-diyne-nitrile 1 and ene-triyne-nitrile 2 systems were examined and proved to yield not azafluorenol. but cyanofluorenol derivatives (9 and 11, respectively), indicating that the cyano groups do not participate in the radical cycloaromatization but do play important roles to determine the mode of cyclization.

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Scope of the thermal cyclization of nonconjugated ene-yne-nitrile system: A facile synthesis of cyanofluorenol derivatives

Abstract

All Science Journal Classification (ASJC) codes

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