双缩氨基硫脲
双缩氨基硫脲(Bisthiosemicarbazone)是氨基脲和二酮之间的脱去反应之产物。它的结构式为H2NHC(=S)NN=C(R1)-R2-C(R3)=NNHC(=S)NH2。双缩氨基硫脲中有一个缩胺脲的骨架,其中酮基的氧原子由硫原子代替。本品可与细胞中的铜及铁结合,故而有抗病毒、抗疟疾,及抗癌的特性[1]。它也可能可以作为递送放射性同位素的配体,因其对于缺氧组织具有选择性,特别是心脏及大脑[2][3][4]。双缩氨基硫脲锌原子螯合后,也可作为光学显微镜中的荧光剂。
![](http://images.weserv.nl/?url=//upload.wikimedia.org/wikipedia/commons/thumb/a/ae/Bisthiosemicarbazone-2D.png/400px-Bisthiosemicarbazone-2D.png)
参见
参考资料
- ^ Palanimuthu, Duraippandi; Shinde, Sridevi Vijay; Somasundaram, Kumaravel; Samuelson, Ashoka G. In Vitro and in Vivo Anticancer Activity of Copper Bis(thiosemicarbazone) Complexes. Journal of Medicinal Chemistry. 14 February 2013, 56 (3): 722–734. PMID 23320568. doi:10.1021/jm300938r.
- ^ Dearling, Jason L.; Lewis, Jason S.; Mullen, Gregory E.; Welch, Michael J.; Blower, Philip J. Copper bis(thiosemicarbazone) complexes as hypoxia imaging agents: structure-activity relationships. JBIC Journal of Biological Inorganic Chemistry. 20 April 2014, 7 (3): 249–259. doi:10.1007/s007750100291.
- ^ Maurer, Richard I.; Blower, Philip J.; Dilworth, Jonathan R.; Reynolds, Christopher A.; Zheng, Yifan; Mullen, Gregory E. D. Studies on the Mechanism of Hypoxic Selectivity in Copper Bis(Thiosemicarbazone) Radiopharmaceuticals. Journal of Medicinal Chemistry. March 2002, 45 (7): 1420–1431. doi:10.1021/jm0104217.
- ^ Cowley, Andrew R.; Dilworth, Jonathan R.; Donnelly, Paul S.; Labisbal, Elena; Sousa, Antonio. An Unusual Dimeric Structure of a Cu(I) Bis(thiosemicarbazone) Complex: Implications for the Mechanism of Hypoxic Selectivity of the Cu(II) Derivatives. Journal of the American Chemical Society. May 2002, 124 (19): 5270–5271. doi:10.1021/ja012668z.
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