Synthesis, characterization, crystal structure and cytotoxicity of 2,4-bis(selenomethyl)quinazoline
作者:Daniel Plano、Elena Ibáñez、Juan Antonio Palop、Carmen Sanmartín
DOI:10.1007/s11224-011-9816-x
日期:2011.12
Organoselenium compounds have already been reported to be good anticarcinogenic candidates. A new selenoquinazoline derivative, 2,4-bis(selenomethyl)quinazoline (compound 1), has been synthesized, spectroscopically characterized and its crystal structure has been studied. An intermolecular coupling between C2 and $$ \textH}}_5}^\prime } $$ in the Heteronuclear Multiple Bond Correlation (HMBC) experiment
据报道,有机硒化合物是良好的抗癌候选物。合成了一种新的硒基喹唑啉衍生物,2,4-双(硒甲基)喹唑啉(化合物 1),对其进行了光谱表征并研究了其晶体结构。在异核多键相关 (HMBC) 实验中观察到 C2 和 $$ \textH}}_5}^\prime } $$ 之间的分子间耦合。假设平行分子的头尾重叠(通过 X 射线衍射鉴定)保留在溶液中以产生双分子实体,π-π 相互作用使前一个原子之间具有三键距离 [C2· ··(π–π)···$$ \textC}}_5}^\prime } $$–$$ \textH}}_5}^\prime } $ $]。化合物 1 的晶体结构已通过 X 射线衍射解析出来。它在三斜晶系中结晶,空间群 P-1。晶胞参数为 a = 7.4969(7) Å, b = 8.7008(8) Å, c = 10.1666(9) Å, α = 110.215(2)°