New chromophores based on 2-(4-vinylchromen-2-ylidene)malononitrile and 2-(2-vinylchromen-4-ylidene)malononitrile
作者： K. S. Levchenko , K. A. Chudov , D. Yu. Demin , G. E. Adamov , E. V. Zinoviev
DOI: 10.1007/S11172-019-2641-X
关键词:
摘要: New derivatives of 2-(4-vinylchromen-2-ylidene)malononitrile and 2-(2-vinylchromen-4-ylidene)malononitrile were synthesized using the Knoevenagel reaction 2-(4-methyl-chromen-2-ylidene)malononitrile 2-(2-methylchromen-4-ylidene)malononitrile, respectively, with participation [1-(2-n-butoxyethyl)-2,2,4,7-tetramethyl-1,2,3,4-tetrahydroquinolin-6-yl)]-carbaldehyde. First hyperpolarizability (β) was calculated for obtained compounds M05-2X functional 6-31+G (d) basis. Optical properties solvatochromism in solvents different polarity (toluene, 1,4-dioxane, chlorobenzene, dichloromethane, DMF, ethanol) also investigated.
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