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Synthesis, Crystal Structure of(NH3CH2CHNH2CH3)(3)[(WO2)-O-VI-(OC6H4O)(2)] and Its NMR Studies on theInteraction with ATP
Song Fugen; Lu Xiaoming; Yu Chong; Shi Xudong; Chen Yuyou; Bi Yangang; Chi Zixiang; Ye Chaohui
2009
Source PublicationACTA CHIMICA SINICA
ISSN0567-7351
Volume67Issue:11Pages:1195-1200
Contribution RankSCI
KeywordBiomimetic Complex Of The cOfactor Of Tungstoenzyme Crystal Structure
LanguageCis-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.
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/2104
Collection青海盐湖研究所知识仓储
Recommended Citation
GB/T 7714
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.
APA Song Fugen.,Lu Xiaoming.,Yu Chong.,Shi Xudong.,Chen Yuyou.,...&Ye Chaohui.(2009).Synthesis, Crystal Structure of(NH3CH2CHNH2CH3)(3)[(WO2)-O-VI-(OC6H4O)(2)] and Its NMR Studies on theInteraction with ATP.ACTA CHIMICA SINICA,67(11),1195-1200.
MLA Song Fugen,et al."Synthesis, Crystal Structure of(NH3CH2CHNH2CH3)(3)[(WO2)-O-VI-(OC6H4O)(2)] and Its NMR Studies on theInteraction with ATP".ACTA CHIMICA SINICA 67.11(2009):1195-1200.
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