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Title: Gold(I)-Catalyzed Cascade Cyclization Reactions of Allenynes for the Synthesis of Fused Cyclopropanes and Acenaphthenes
Authors: Ikeuchi, Takaya
Inuki, Shinsuke
Oishi, Shinya
Ohno, Hiroaki
Author's alias: 井貫, 晋輔
大石, 真也
大野, 浩章
Keywords: allenes
cascade reactions
cyclopropanation
C−H functionalization
gold
Issue Date: 3-Jun-2019
Publisher: Wiley-VCH Verlag
Journal title: Angewandte Chemie - International Edition
Volume: 58
Issue: 23
Start page: 7792
End page: 7796
Abstract: A gold‐catalyzed reaction of phenylene‐tethered allenynes with benzofurans gave 1‐(naphth‐1‐yl)cyclopropa[b]benzofuran derivatives, whereas the reaction of 1‐allenyl‐2‐ethynyl‐3‐methylbenzene derivatives in the absence of benzofurans gave acenaphthenes in good yields. These results can be rationalized by nucleophilic attack of the alkyne moiety on an activated allene to form a vinyl cation intermediate.
Rights: This is the peer reviewed version of the following article: [Angewandte Chemie - International Edition, 58(23), 7792-7796], which has been published in final form at https://doi.org/10.1002/anie.201903384. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
The full-text file will be made open to the public on 23 May 2020 in accordance with publisher's 'Terms and Conditions for Self-Archiving'.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/241629
DOI(Published Version): 10.1002/anie.201903384
PubMed ID: 30985049
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