Research on Chemical Intermediates

, Volume 44, Issue 11, pp 6479–6487 | Cite as

Non-coordination planer cis-and trans-configuration of cis-[Pt(II)(mixed-NH3/RNH2)(3-OH-cyclobutane-1,1-dicarboxylate)]: separation, characterization, and anticancer activity

  • Jing Jiang
  • Jie Qiu
  • Liguang Lou
  • Anli Gao
  • Shuqian Hou
  • Weiping Liu


Two isomers of cis-[Pt(II)(mixed-NH3/RNH2)(3-OH-cyclobutane-1,1-dicarboxylate)] (R = cycopentyl, cyclohexyl) were separated, structurally characterized and tested for their anticancer activity. X-ray structural analysis revealed that this isomerism originates from two opposite spatial orientations of the hydroxyl group on the cyclobutane ring in relation to the coordinated NH3, resulting in cis- and trans-configurations. The two isomers have approximately equal anticancer activity, probably due to a relatively long distance between the hydroxyl group and the Pt(II) coordination plane. Therefore, the separation of such isomers is not recommended during drug development.


Platinum(II) complexes Anticancer activity 3-OH-cyclobutane-1,1-dicarboxylate Mixed-NH3/RNH2 Non-coordination planer cis-/trans-isomerism 



This work was supported by the Natural Science Foundation of China (Grant Number 21661018); Yunnan Provincial R&D Project of China (Grant Numbers 2014BC010 and 2017ZF010).

Supplementary material

11164_2018_3503_MOESM1_ESM.docx (487 kb)
Supplementary material 1 (DOCX 487 kb)


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Copyright information

© Springer Nature B.V. 2018

Authors and Affiliations

  1. 1.State Key Laboratory for Platinum Group MetalsKunming Institute of Precious MetalsKunmingPeople’s Republic of China
  2. 2.Lincan Maternal and Child Health Care HospitalKaiyuanPeople’s Republic of China
  3. 3.Shanghai Institute of Materia MedicaChinese Academy of ScienceShanghaiPeople’s Republic of China

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