Probing force with mechanobase-induced chemiluminescence

J.M. Clough, A. Balan, T.L.J. Van Daal, R.P. Sijbesma

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

82 Citaten (Scopus)
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Samenvatting

Mechanophores capable of releasing N-heterocyclic carbene (NHC), a strong base, are combined with triggerable chemiluminescent substrates to give a novel system for mechanically induced chemiluminescence. The mechanophores are palladium bis-NHC complexes, centrally incorporated in poly(tetrahydrofuran) (pTHF). Chemiluminescence is induced from two substrates, adamantyl phenol dioxetane (APD) and a coumaranone derivative, upon sonication of dilute solutions of the polymer complex and either APD or the coumaranone. Control experiments with a low molecular weight Pd complex showed no significant activation and the molecular weight dependence of the coumaranone emission supports the mechanical origin of the activation. The development of this system is a first step towards mechanoluminescence at lower force thresholds and catalytic mechanoluminescence.
Originele taal-2Engels
Pagina's (van-tot)1445–1449
Aantal pagina's5
TijdschriftAngewandte Chemie - International Edition
Volume55
Nummer van het tijdschrift4
DOI's
StatusGepubliceerd - 9 dec. 2015

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