Matsuda T, Yonekubo N. Ruthenium-catalysed cyclisation reactions of 1,11-dien-6-ynes leading to biindenes.
Org Biomol Chem 2020;
18:1760-1764. [DOI:
10.1039/d0ob00179a]
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Abstract
1,1′-Biindenes were prepared from 1,2-bis(2-allylphenyl)ethynes via cycloisomerisation and tandem RCM reactions, both of which are catalysed by ruthenium.
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