| Autor: |
Wong, K. M.-C., Tang, W.-S., Chu, B. W.-K., Zhu, N., Yam, V. W.-W. |
| Zdroj: |
Organometallics; July 2004, Vol. 23 Issue: 14 p3459-3465, 7p |
| Abstrakt: |
Three luminescent alkynylplatinum(II) terpyridyl complexes, [Pt(tBu3tpy)(C&tbd1;C−C6H4−X-4)](OTf) (X = NH2 1, NCS 2, NHCOCH2I 3), have been synthesized and characterized. Their electrochemical and photophysical properties have been studied, and the molecular structure of 2 has also been determined by X-ray crystallography. Complexes 2 and 3 exhibit strong luminescence in various media, the origin of which has been tentatively assigned as a dπ(Pt) → π*(tBu3tpy) 3MLCT excited state, with some mixing of a π(C&tbd1;CR) → π*(tBu3tpy) 3LLCT character. Human serum albumin (HSA) has been labeled by the ready reaction of the isothiocyanate and iodoacetamide functional groups in 2 and 3, to afford the respective bioconjugates, 2-HSA and 3-HSA. Both bioconjugates in 50 mM Tris-Cl buffer (pH 7.4) are highly colored and exhibit luminescence in the visible region upon photoexcitation. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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