Citation:
Xu Hansheng, Ke Weijun, Liu Xiufang. Syntheses and Properties of Asymmetric Crown Ether Telluracarbocyanines[J]. Chinese Journal of Applied Chemistry,
;1997, 14(4): 10-13.
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Five asymmetric crown telluracarbocyanines were prepared. The visible absorption spectra and the "Brooker diviation" of four of them have been studied. The method of reduction and acylation of 4-nicrobenzo-15-crown-5 has been improved, making the synthesis of the asymmetric crown ether telluracarbocyanine dyes quite convenient and easy.
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