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题名: Synthesis, Crystal Structure of(NH3CH2CHNH2CH3)(3)[(WO2)-O-VI-(OC6H4O)(2)] and Its NMR Studies on theInteraction with ATP
作者: 宋富根 ;  Lu Xiaoming ;  Yu Chong ;  Shi Xudong ;  Chen Yuyou ;  Bi Yangang ;  Chi Zixiang ;  Ye Chaohui
刊名: ACTA CHIMICA SINICA
出版日期: 2009
卷号: 67, 期号:11, 页码:1195-1200
关键词: biomimetic complex of the cofactor of tungstoenzyme ;  crystal structure
语种: Cis-dioxo-catecholatotungsten (VI) complex (NH3CH2CHNH2CH3)(2)[(WO2)-O-VI(OC6H4O)(2)] is obtained with chiral protonated 1,2-propanediamine by the reaction of tetrabutyl ammonium decatungstate with catechol in the mixed solvent of CH3OH, CH3CN at room temperature. The crystal structure of complex was determined by X-ray diffraction structural analysis. The results show that complex belongs to monoclinic system with space group P2(1)/n, a=1.1099(3) nm, b=1.0416(3) nm, c=1.8874(6) nm, beta=96.492(6)degrees, V=2.1679(11) nm(3), z=4, R-1=0.0445, wR(2)=0.0682; and Studied by IR, H-1 NMR and UV-Vis. The NMR studies on the interaction of the title complex with adenosine-triphosphate(ATP) reveal that H-1 chemical shifts of 1,2-propanediamine and catechol with and without ATP exhibit distinct difference, the reduction of W(VI) to W(V) occurs when the title complex is dissolved in D2O and the W(V) is oxidized again when ATP solution is mixed with original solution and the hydrolysis of the catecholato ligand take places at mean time being monitored by H-1 NMR. Cis-dioxo-catecholatotungsten (VI) complex (NH3CH2CHNH2CH3)(2)[(WO2)-O-VI(OC6H4O)(2)] is obtained with chiral protonated 1,2-propanediamine by the reaction of tetrabutyl ammonium decatungstate with catechol in the mixed solvent of CH3OH, CH3CN at room temperature. The crystal structure of complex was determined by X-ray diffraction structural analysis. The results show that complex belongs to monoclinic system with space group P2(1)/n, a=1.1099(3) nm, b=1.0416(3) nm, c=1.8874(6) nm, beta=96.492(6)degrees, V=2.1679(11) nm(3), z=4, R-1=0.0445, wR(2)=0.0682; and Studied by IR, H-1 NMR and UV-Vis. The NMR studies on the interaction of the title complex with adenosine-triphosphate(ATP) reveal that H-1 chemical shifts of 1,2-propanediamine and catechol with and without ATP exhibit distinct difference, the reduction of W(VI) to W(V) occurs when the title complex is dissolved in D2O and the W(V) is oxidized again when ATP solution is mixed with original solution and the hydrolysis of the catecholato ligand take places at mean time being monitored by H-1 NMR.
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内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/2104
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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Recommended Citation:
Song Fugen,Lu Xiaoming,Yu Chong,et al. Synthesis, Crystal Structure of(NH3CH2CHNH2CH3)(3)[(WO2)-O-VI-(OC6H4O)(2)] and Its NMR Studies on theInteraction with ATP[J]. ACTA CHIMICA SINICA,2009,67(11):1195-1200.
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