Its well known that the complexing ability between crown ethers and cations is in relationship with the interior cavity of the crown ethers.1 In this work,a mon
Metal-based drugs possess a long and successful history in cancer treatment,starting in 1978 with the worldwide approval of cis-platin [1],and then metallic ant
Hydrazine is widely used as an important industrial material in chemical,pharmaceutical,and agricultural areas due to its vital roles.It is well-known as high-e
As one family of basic mechanically interlocked structures,pseudorotaxanes and rotaxanes have become a research area of great interest in recent years.