3,6-Diazaxanthylium Salts: Dyes with a New Chromophore
A new tricyclic framework is the characteristic feature of the violet, air‐sensitive dyes 1. The phenyl substituent X (X = Ph, 4‐CF3‐C6H4) is arranged orthogonally to the chromophore both in the crystal and in solution, and the tricycle is bent by about 5° about the axis C9–O10. In comparison to the...
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| Veröffentlicht in: | Angewandte Chemie (International ed.) 1994-05, Vol.33 (8), p.863-866 |
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| container_title | Angewandte Chemie (International ed.) |
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| creator | Eggers, Lutz Grahn, Walter Lüttke, Wolfgang Knieriem, Burkhard Jones, Peter G. Chrapkowski, Axel |
| description | A new tricyclic framework is the characteristic feature of the violet, air‐sensitive dyes 1. The phenyl substituent X (X = Ph, 4‐CF3‐C6H4) is arranged orthogonally to the chromophore both in the crystal and in solution, and the tricycle is bent by about 5° about the axis C9–O10. In comparison to the frequently used rhodamines, compounds 1 absorb at longer wavelengths and fluoresce with lower quantum yields. |
| doi_str_mv | 10.1002/anie.199408631 |
| format | Article |
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The phenyl substituent X (X = Ph, 4‐CF3‐C6H4) is arranged orthogonally to the chromophore both in the crystal and in solution, and the tricycle is bent by about 5° about the axis C9–O10. 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| subjects | Chemistry Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Heterocyclic compounds Heterocyclic compounds with n hetero atom and also o and/or s, se, te hetero atoms Organic chemistry Organic compounds Physics Preparations and properties Structure of solids and liquids crystallography Structure of specific crystalline solids |
| title | 3,6-Diazaxanthylium Salts: Dyes with a New Chromophore |
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