Kinetically controlled narcissistic self-sorting of Pd(II)-linked self-assemblies from structurally similar tritopic...

Area of Science:

• Coordination Chemistry
• Supramolecular Chemistry
• Materials Science

Background:

• Self-sorting is a powerful strategy for constructing complex molecular architectures.
• Palladium(II) complexes are versatile building blocks in supramolecular chemistry.
• Controlling self-sorting pathways is crucial for accessing specific metastable states.

Purpose of the Study:

• To investigate the formation of a narcissistic self-sorted state using specific ligands and a palladium(II) complex.
• To explore the influence of pathway-dependent processes on self-sorting outcomes.
• To differentiate between kinetically controlled metastable states and thermodynamically controlled states.

Main Methods:

• Synthesis of two structurally similar tritopic ligands.
• Preparation of a cis-protected palladium(II) complex.
• Analysis of self-sorting processes under varying conditions, including kinetic and thermodynamic control.

Main Results:

• A narcissistic self-sorted state was successfully generated.
• The formation of this state was found to be pathway-dependent.
• The metastable state could not be achieved by simple heating under thermodynamic control, highlighting kinetic influence.

Conclusions:

• The study demonstrates the successful formation of a narcissistic self-sorted state through a pathway-dependent process.
• This highlights the importance of controlling reaction pathways to access specific metastable supramolecular structures.
• The findings offer new insights into the kinetic control of self-assembly in coordination chemistry.