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Article newly synthesized 16 2,2 - bis (substituted- phenoxy)- benzo [ 1,3] dioxo- dioxol derivatives , specifically including: substituent group in the right bit of the phenoxy group , meta position and ortho three series of products, wherein the bit 7 ( Et , t-Bu , F, Cl , Br, , CN and COMe , etc.) , between the bit 5 (CN, Cl, Me, OMe, NO2), ortho 4 (CN, Cl, Me, OMe); 1H NMR , 13C NMR , UV -vis , mp and HR- MS characterization of the resulting compounds , while training and determination of the crystal structure of the two compounds . Total of 20 benzo [1,3 ] dioxin dioxol derivative part of the performance parameters (UV-vis spectroscopy) and its phenoxy substituents on some of the parameters were the correlation analysis of the system , found in the ethanol , acetonitrile and butanol , phenoxy substituent excitation state parameter of 2,2 - bis ( ortho -substituted phenoxy ) - benzo [1,3] dioxol- derivative UV spectra between 6 derivatives of single crystal at the same time as the object of study , substituent electronic effects on molecular conformational changes , found the molecule through the two phenoxy rings midline where the plane with better results; benzoxazine maohuan dioxol ring opposite the two benzene carbon spiro carbon mean the angle between the plane and the two benzene rings of the substituents with the phenoxy ring carbon dioxol ring opposite carbon between the mean distance with the electronic effects of substituents good correlation between individual exceptions . In this paper, the above results are construed accordingly.
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