Protoisomerization of indigo di- and monoiminesElectronic supplementary information (ESI) available: Synthesis and characterization data for new compounds and crystallographic data (CIF format). CCDC 1404064-1404067. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c5cc04492h

Indigo di- and monoimines can be protonated to form stable salts in which the central C&z.dbd;C bond has isomerized from a trans to cis configuration. Deprotonation of these salts regenerates the neutral trans species. The protonation chemistry of indigo is also explored. Indigo di- and monoimin...

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Main Authors: Nicholls-Allison, Emma C, Nawn, Graeme, Patrick, Brian O, Hicks, Robin G
Format: Article
Language:English
Online Access:Get full text
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Summary:Indigo di- and monoimines can be protonated to form stable salts in which the central C&z.dbd;C bond has isomerized from a trans to cis configuration. Deprotonation of these salts regenerates the neutral trans species. The protonation chemistry of indigo is also explored. Indigo di- and monoimines are reversibly protonated to form salts in which the central C&z.dbd;C bond has isomerized from a trans to cis configuration.
ISSN:1359-7345
1364-548X
DOI:10.1039/c5cc04492h