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Further studies on the pyrolytic domino cyclization of stabilized phosphonium ylides bearing an ortho-aminophenyl group

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Date
27/08/2018
Author
Aitken, R. Alan
Murray, Lorna
Slawin, Alexandra M. Z.
Keywords
Phosphonium ylides
Pyrolysis
Quinoline
Phenanthridine
Benzocarbazole
X-ray structure
QD Chemistry
DAS
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Abstract
Four new stabilized phosphonium ylides containing a 2-(benzyl(methyl)amino)phenyl group have been prepared and characterized and are found, upon pyrolysis under gas-phase flow conditions, to lose Ph3PO and benzyl radical to afford new heterocyclic products resulting from domino cyclization of both C- and N-centred radicals. Most products arise from processes of the former type and have quinoline, phenanthridine or ring-fused phenanthridine structures, while in one case a process of the latter type leads to a benzocarbazole product. The X-ray structure of a 2-(methyl(tosyl)amino)phenyl ylide is also reported.
Citation
Aitken , R A , Murray , L & Slawin , A M Z 2018 , ' Further studies on the pyrolytic domino cyclization of stabilized phosphonium ylides bearing an ortho-aminophenyl group ' , Molecules , vol. 23 , no. 9 , 2153 . https://doi.org/10.3390/molecules23092153
Publication
Molecules
Status
Peer reviewed
DOI
https://doi.org/10.3390/molecules23092153
ISSN
1420-3049
Type
Journal article
Rights
© 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Description
The authors thank the EPSRC (UK) for a DTA studentship (Grant No. EP/P501768/1).
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  • University of St Andrews Research
URL
http://www.mdpi.com/1420-3049/23/9/2153#supplementary
URI
http://hdl.handle.net/10023/15902

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