Reactions of metal-metal quintuple bonds with alkynes: [2+2+2] and [2+2] cycloadditions

Hong-Zhang Chen; Shih-Cheng Liu; Chun-Hsu Yen; Jen-Shiang K. Yu; Yun-Jen Shieh; Ting-Shen Kuo; Yi-Chou Tsai

doi:10.1002/anie.201205027

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Reactions of metal-metal quintuple bonds with alkynes: [2+2+2] and [2+2] cycloadditions

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Reactions of metal-metal quintuple bonds with alkynes: [2+2+2] and [2+2] cycloadditions

Hong-Zhang Chen, Shih-Cheng Liu, Chun-Hsu Yen, Jen-Shiang K. Yu, Yun-Jen Shieh, Ting-Shen Kuo and Yi-Chou Tsai

Angewandte Chemie - International Edition, Vol.51(41), pp.10342-10346

08/10/2012

DOI: https://doi.org/10.1002/anie.201205027

Abstract

aromaticity

cycloaddition

electronic structure

molybdenum

multiple bonds

High five! The quintuply bonded molybdenum amidinate 1 reacts with two equivalents of 1-pentyne through a [2+2+2] cycloaddition reaction to give the first examples of the benzannulated product 2. The C ₄ Mo ₂ rings exhibit aromatic character. Treatment of 1 with internal alkynes afforded the 2:1 and 1:1 [2+2] cycloadducts, which are mechanistically associated with the formation of 2. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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Title: Reactions of metal-metal quintuple bonds with alkynes: [2+2+2] and [2+2] cycloadditions
Creators - without role: Hong-Zhang Chen - Department of Chemistry , Frontier Research Center on Fundamental and Applied Sciences of Matters , National Tsing Hua University
Shih-Cheng Liu - Department of Chemistry , Frontier Research Center on Fundamental and Applied Sciences of Matters , National Tsing Hua University
Chun-Hsu Yen - Department of Chemistry , Frontier Research Center on Fundamental and Applied Sciences of Matters , National Tsing Hua University
Jen-Shiang K. Yu - Institute of Bioinformatics and Systems Biology
Yun-Jen Shieh - Department of Chemistry , Frontier Research Center on Fundamental and Applied Sciences of Matters , National Tsing Hua University
Ting-Shen Kuo - National Taiwan Normal University
Yi-Chou Tsai - Department of Chemistry , Frontier Research Center on Fundamental and Applied Sciences of Matters , National Tsing Hua University
Identifiers: 9957768982306774
Academic Unit: National Tsing Hua University
Language: English
Resource Type: Journal article
Publication Details: Angewandte Chemie - International Edition, Vol.51(41), pp.10342-10346

Reactions of metal-metal quintuple bonds with alkynes: [2+2+2] and [2+2] cycloadditions

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