Über die Konformation eines trinuclearen [1.1.1]Tetramethinium‐Cyaninfarbstoffs mit Indolin‐Endgruppen | Zendy

Reichardt Christian | Zendy; Schäfer Gerhard | Zendy; Knecht Josef | Zendy; Gärtner Ralf | Zendy; Allmann Rudolf | Zendy; Krestel Magda | Zendy

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Über die Konformation eines trinuclearen [1.1.1]Tetramethinium‐Cyaninfarbstoffs mit Indolin‐Endgruppen

Author(s) -

Reichardt Christian,

Schäfer Gerhard,

Knecht Josef,

Gärtner Ralf,

Allmann Rudolf,

Krestel Magda

Publication year - 1991

Publication title -

chemische berichte

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 0009-2940

DOI - 10.1002/cber.19911241223

Subject(s) - cyanine , chemistry , indoline , stereochemistry , ion , solid state , crystallography , organic chemistry , fluorescence , physics , quantum mechanics

Conformation of a Trinuclear [1.1.1]Tetramethinium Cyanine Dye with Indoline End Groups According to its ESCA spectrum (Figure 1) and an X‐ray structural analysis (Figure 2), the [1.1.1]tetramethinium cyanine dye 2 exists in the crystalline state and probably also in solution as methinylogous propeller‐like guanidinium ion 2a with approximate C 3 symmetry, and not as vinylogous amidinium ion 2b corresponding to a linear β‐substituted trimethine cyanine dye.

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