Abstract
The branched amidoamine molecule 1 with different chromophores of a rhodamine B and two pyrenyl moieties at each side was synthesized. The luminescent properties of 1 with the color change from bright blue (UV region) to reddish (visible region) under mechanical stimulus were observed, which was attributed to the emission of pyrene excimer II, with a sandwich packing mode, and the chemical reaction of rhodamine B from a spirolactam to a ring opened amide.
| Original language | English |
|---|---|
| Pages (from-to) | 6504-6506 |
| Number of pages | 3 |
| Journal | Tetrahedron Letters |
| Volume | 54 |
| Issue number | 48 |
| DOIs | |
| State | Published - 27 Nov 2013 |
| Externally published | Yes |
Keywords
- Amidoamine
- Mechanochromic luminescent
- Pyrene
- Rhodamine B
- Ring-opening reaction
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