53608-22-3Relevant articles and documents
Supramolecular control of photophysical properties of cyanine dyes
Rao, Tata Venkata S.,Huff, Jeffrey B.,Bieniarz, Christopher
, p. 10627 - 10634 (1998)
We present the results of our studies on the intramolecular complexation of cyanine dyes and cyclodextrins with the objective of modifying the photophysical behaviour of the dyes. We demonstrate that dye inclusion complex formation with cyclodextrins serves to inhibit dimer formation as well as enhance photostability of cyanines. We also show that the modification of the physicochemical properties of cyanine dyes by cyclodextrin complexation is a highly selective, structure dependent phenomenon.
A comparative study of symmetrical and unsymmetrical trimethine cyanine dyes bearing benzoxazolyl and benzothiazolyl groups
Shi, Quan-Quan,Sun, Ru,Ge, Jian-Feng,Xu, Qing-Feng,Li, Na-Jun,Lu, Jian-Mei
experimental part, p. 1506 - 1511 (2012/03/11)
Six symmetrical and unsymmetrical trimethine cyanine dyes bearing benzothiazolyl and benzoxazolyl groups were synthesized. Their linear optical properties were studied. It was found that the variation of hetero atoms play an important role in the spectral properties of the dyes. Sequential replacement of the oxygen atom by the sulfur atom resulted in a change in shade from yellow to purple. In order to understand the relationship between the molecular structures and the spectral properties of these dyes, theoretical calculations were made using the Gaussian programme. Key parameters related to absorption and emission spectra were reported and discussed.
Carbenoid reactions of trifluoromethylelement compounds. Part 4. Reactions of trifluoromethylzinc bromide with enamines and methylene bases
Tyrra, Wieland,Naumann, Dieter,Pasenok, Sergej V.,Yagupolskii, Yurii L.
, p. 181 - 186 (2007/10/02)
The reactions of ZnBr(CF3)*2CH3CN with 1-morpholinocyclo-pentene and -hexene have been investigated and found to yield mixtures of two isomers of 1-morpholino-1-cyanomethyl-2-difluoromethyl-cyclopentane and -hexane, respectively.The interaction with methylene bases of nitrogen heterocycles leads to the formation of trimethinecyanine dyes.This reaction sequence includes the formation of two carbon-carbon bonds in a one-pot operation.The mechanism of the reaction is discussed. - Keywords: Carbenoid reactions; Trifluoromethylelement compounds; Trifluoromethylzinc bromide; Enamines; Methylene bases; NMR spectroscopy; Mass spectrometry; UV-vis spectroscopy
Bridged Cyanine Dyes. Part 2 . 1-(N-Methyl-2-benzothiazolylinio)-3-(N-methyl-2-benzothiazolylene) and 1-(N-Methyl-4-pyridinio)-3-(N-methyl-4-pyridylene)cyclopenta-1,4-dienes with Fused Rings
Katritzky, Alan R.,Liang, De-Sheng,Fan, Wei-Qiang
, p. 1315 - 1319 (2007/10/02)
1,3-Bis(N-methyl-4-pyridyl)- and 1,3-bis(N-methyl-2-benzothiazolyl)-propane diiodides react with 1,2-cyclohexanedione, tetrachloro-1,2- and 1,4-benzoquinone, 2,3-dichloronaphthoquinone, 3,4-dichloromaleimide and 2,3-dichloroquinoxaline to give novel fused ring bridged cyanine dyes
