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硼中子捕获疗法中使用的1,2-C₂B₁₀H₁₂异腈衍生物的结构和电子特性

Structural and Electronic Properties of 1,2-C₂B₁₀H₁₂ Isonitrile Derivatives Used in Boron Neutron Capture Therapy

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【Author】 CHEN Bao-Guo1,2, ZHANG Ming-Yu 1*, ZHAO Yuan-Yuan1, SUN Chia-Chung1(1. State Key Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, Jilin University, Changchun 130023, China;2. College of Chemistry, Inner Mongolia University for Nationalities, Tongliao 028043, China)

【机构】吉林大学理论化学研究所理论化学计算国家重点实验室；内蒙古民族大学化学学院；通辽028043；吉林大学理论化学研究所；理论化学计算国家重点实验室；长春130023；

【摘要】利用密度泛函方法在B3LYP/6-31G(d)水平上对1,2-C2B10H12的两种异腈类衍生物的结构特性进行了研究.结果表明,1,2-C2B10H11NC的活性较强;1,2-C2B10H11NC和1,2-C2B10H11CH2NC可以通过结构中的C4原子与过渡金属原子成键而形成碳硼烷异腈金属配合物.1,2-C2B10H11NC和1,2-C2B10H11CH2NC的分子极性均比1,2-C2B10H12的弱,这不利于它们在硼中子捕获疗法中的应用.更多还原

【Abstract】 A density functional investigation on 1,2-C2B10H12 isonitrile derivatives, as 10B-enriched compounds used in clinical trials for boron neutron capture therapy(BNCT), was reported. The structural and electronic properties of 1,2-C2B10H12 isonitrile derivatives were studied at B3LYP/6-31G(d) level. The calculated results show that the 1,2-C2B10H11NC is the most active among the considered compounds. For compounds 1,2-C2B10H11NC and 1,2-C2B10H11CH2NC, the C4 atoms can be linked with some of transition metal atoms by the coordinate function, respectively. The molecular polarities of compounds 1,2-C2B10H11NC and 1,2-C2B10H11CH2NC were less than that of the 1,2-C2B10H12, indicating that there is disadvantage for these isonitrile derivatives used in boron neutron capture therapy.更多还原