Issue 18, 2016
From the journal:

Chemical Communications

Use of crown ethers to isolate intermediates in ammonia-borane dehydrocoupling reactions†

Robert J. Less,*a   Raúl García-Rodríguez,a   Hayley R. Simmonds,a   Lucy K. Allen,a   Andrew D. Bonda  and  Dominic S. Wrighta  

* Corresponding authors

a Department of Chemistry, Lensfield Road, Cambridge, UK
E-mail: rjl1003@cam.ac.uk

Abstract

The presence of 18-crown-6 in the Lewis acid-promoted dehydrocoupling reaction of ammonia borane permits isolation of [(THF)BH2NH3]+ and [BH2(NH3)2]+ cations. [(THF)BH2NH3]+ reacts with Lewis bases to give either boron adducts or by deprotonation at nitrogen to give borazine and ammonia-borane.

Graphical abstract: Use of crown ethers to isolate intermediates in ammonia-borane dehydrocoupling reactions

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Article information

DOI
https://doi.org/10.1039/C6CC00088F
Article type
Communication
Submitted
06 Jan 2016
Accepted
29 Jan 2016
First published
29 Jan 2016

Chem. Commun., 2016,52, 3650-3652

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Use of crown ethers to isolate intermediates in ammonia-borane dehydrocoupling reactions

R. J. Less, R. García-Rodríguez, H. R. Simmonds, L. K. Allen, A. D. Bond and D. S. Wright, Chem. Commun., 2016, 52, 3650 DOI: 10.1039/C6CC00088F

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