Issue 68, 2019

Arylallenes and the halogeno-B(C6F5)2 reagents: facile formation of 2-borylindenes

Abstract

Phenylallene reacts rapidly with ClB(C6F5)2 to give the respective 2-borylindene. Several substituted allenylarenes form the respective 2-B(C6F5)2 boryl-substituted indenes upon treatment with ClB(C6F5)2 or BrB(C6F5)2 as well. Bis- and tris-allenylarenes form the corresponding products featuring multiple five-membered ring annulations, including a symmetrical tris-borylated dihydro-1H-trindene derivative. The B(C6F5)2 borylindenes show fluorescence properties.

Graphical abstract: Arylallenes and the halogeno-B(C6F5)2 reagents: facile formation of 2-borylindenes

Supplementary files

Article information

Article type
Communication
Submitted
31 May 2019
Accepted
30 Jul 2019
First published
01 Aug 2019

Chem. Commun., 2019,55, 10166-10169

Arylallenes and the halogeno-B(C6F5)2 reagents: facile formation of 2-borylindenes

X. Tao, C. G. Daniliuc, K. Soloviova, C. A. Strassert, G. Kehr and G. Erker, Chem. Commun., 2019, 55, 10166 DOI: 10.1039/C9CC04199K

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