Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 35, Pages 11418-11421Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201806591
Keywords
carbonylation; C-C activation; cycloparaphenylenes; platinum; strained molecules
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Funding
- Japan Society for the Promotion of Science (JSPS) KAKENHI Grant [18H01962, 16H06352]
- Collaborative Research Program of Institute for Chemical Research (ICR), Kyoto University (KU) [2018-36]
- Super Computer Laboratory, ICR, KU
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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(PPh3)(4) regioselectively cleaves two C-C sigma 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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