求染料化学的英文文献
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1 ＩｎｔｒｏｄｕｃｔｉｏｎＳｑｕａｒｙｌｉｕｍｃｙａｎｉｎｅｄｙｅｓｈａｖｅａｔｔｒａｃｔｅｄｍｕｃｈａｔｔｅｎｔｉｏｎｂｅｃａｕｓｅｏｆｔｈｅｉｒｐｏｔｅｎｔｉａｌａｐｐｌｉｃａｔｉｏｎｓｉｎｐｈｏｔｏｃｏｎｄｕｃｔｉｖｅｍａｔｅｒｉａｌｓ[1 ] ,ｏｐ The crystal structure of 2-[1-(2,6-di-t-butyl-4H-pyran-4-ylidene)-ethyl]-4-[1-(2,6-di-t-butyl-4H-pyran-4-ylidene)-methyl] cyclobutenediylium-1,3-diolate was determined.It was found that the crystal system is triclinic and the space group is P1,with a=0.9228(4),b=1.4122(6),c=0.6124(3) nm with α= 93.97(4),β=98.14(5),γ=71.05(4)°,V=0.7470(6) nm3 and Z=1.1H-NMR spectra of the title compound were interpreted by the data of single crystal structure. 【Keyword】：pyrylium-squarylium;cyanine dye;single crystal;crystal structure;1H-NMR spectra .
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