Strain‐Induced Double Carbon–Carbon Bond Activations of Cycloparaphenylenes by a Platinum Complex: Application to the Synthesis of Cyclic Diketones | Zendy

Kayahara Eiichi | Zendy; Hayashi Toshiki | Zendy; Takeuchi Katsuhiko | Zendy; Ozawa Fumiyuki | Zendy; Ashida Keita | Zendy; Ogoshi Sensuke | Zendy; Yamago Shigeru | Zendy

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Strain‐Induced Double Carbon–Carbon Bond Activations of Cycloparaphenylenes by a Platinum Complex: Application to the Synthesis of Cyclic Diketones

Author(s) -

Kayahara Eiichi,

Hayashi Toshiki,

Takeuchi Katsuhiko,

Ozawa Fumiyuki,

Ashida Keita,

Ogoshi Sensuke,

Yamago Shigeru

Publication year - 2018

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201806591

Subject(s) - platinum , carbon fibers , strain (injury) , reinforced carbon–carbon , double bond , chemistry , materials science , organic chemistry , composite material , catalysis , biology , composite number , anatomy

The carbon–carbon (C−C) bond activation of [ n ]cycloparaphenylenes ([ n ]CPPs) by a transition‐metal complex is herein reported. The Pt 0 complex Pt(PPh 3 ) 4 regioselectively cleaves two C−C σ bonds of [5] CPP and [6]CPP to give cyclic dinuclear platinum complexes in high yields. Theoretical calculations reveal that the relief of ring strain drives the reaction. The cyclic complex was further transformed into a cyclic diketone by using a CO insertion reaction.

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