Synthetic Route of 1111-67-7, With the volume and accessibility of scientific research increasing across the world, it has never been more important to continue building the reputation for quality and ethical publishing we’ve spent the past two centuries establishing.
The lamellar coordination polymer ?2[(CuSCN)2-(mu-1,10DT18C6)] (l,10DT18C6 = l,10-dithia-18-crown-6), in which staircase-like CuSCN double chains are bridged by thiacrown ether ligands, may be prepared in two triclinic modifications la and 1b by reaction of CuSCN with 1,10DT18C6 in respectively benzonitrile or water. Performing the reaction in acetonitrile in the presence of an equimolar quantity of KSCN leads, in contrast, to formation of the K+ ligating 2-dimensional thiocyanatocuprate(I) net ?2[{Cu2(SCN)3}-] of 2, half of whose Cu(I) atoms are connected by 1,10DT18C6 macrocycles. The potassium cations in ?2[{K(CH3CN)}{Cu2(SCN) 3(mu-l,10DT18C6)}] (2) are coordinated by all six potential donor atoms of a single thia crown ether in addition to a thiocyanate S and an acetonitrile N atom. Under similar conditions, reaction of Cul, NaSCN and 1,10DT18C6 affords ?2[{Na(CH3CN)2}{Cu 4I4(SCN)(mu-1,10DT18C6)}] (3), which contains distorted Cu4I4 cubes as characteristic molecular building units. These are bridged by thiocyanate and thiacrown ether ligands into corrugated Na+ ligating sheets. In the presence of divalent Ba2+ cations, charge compensation requirements lead to formation of discrete [Cu(SCN)3(1,10DT18C6-KS)]2- anions in ?2 [Ba{Cu(SCN)3(1,10DT18C6-KS)}] (4). WILEY-VCH Verlag GmbH, D-69451 Weinheim, 2001.
The catalyzed pathway has a lower Ea, but the net change in energy that results from the reaction is not affected by the presence of a catalyst. In my other articles, you can also check out more blogs about 1111-67-7
Reference：
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”