Application of 21436-03-3, Chemistry can be defined as the study of matter and the changes it undergoes. You¡¯ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology.21436-03-3, Name is (1S,2S)-Cyclohexane-1,2-diamine, molecular formula is C6H14N2. In a patent, introducing its new discovery.
Synthesis and characterization of cobalt(iii) cyanide complexes: Cobalt participation in the decomposition of radical anion of TCNQ
Reaction of Co(CH3COO)2¡¤4H2O, KTCNQ (TCNQ = 7,7,8,8-tetracyanoquinodimethane) with the racemic or chiral H 2salency (N,N?-bis(salicylidene)-1,2-cyclohexanediamine) ligand afforded three Co(iii) complexes K[Co(salency)(CN)2]¡¤CH 3OH (1), K[Co(S,S-salency)(CN)2]¡¤H2O (1S) and K[Co(R,R-salency)(CN)2]¡¤CH3OH (1R), which have been fully characterized. The cyanide groups in these three complexes are generated from the in situ decomposition of the radical anion of TCNQ with the participation of cobalt(ii). Single-crystal X-ray diffraction analysis reveals that complex 1 exhibits an infinite double stair-like chain structure. However, the chiral complexes 1S and 1R show chain structures consisting of two independent sub-chains. All of these chains are bridged by the K+ ions, with the cyanides interacting with K+ in the end-on and unusual side-on pi-type mode. Second-order nonlinear optical effect studies in the solid state revealed that 1S and 1R are SHG active. The Royal Society of Chemistry.
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Reference£º
Chiral Catalysts,
Chiral catalysts – SlideShare