Application of 21436-03-3, An article , which mentions 21436-03-3, molecular formula is C6H14N2. The compound – (1S,2S)-Cyclohexane-1,2-diamine played an important role in people’s production and life.
Synthesis and activity of macrocyclized chiral Mn(III)-Schiff-base epoxidation catalysts
A series of chiral macrocyclic Mn(III)Salen complexes has been prepared with two salicylidene moieties linked in their 3 and 3? positions by aliphatic polyether bridges of variable lengths or by a more rigid aromatic junction arm. X-ray structures of ligand precursors and of complex 8 have been performed. All complexes have been used in the asymmetric epoxidation of 1,2-dihydronaphthalene with NaOCl as oxygen atom donor and exhibited modest enantiomeric excesses. Complex 10 was selected to be tested with two cis-disubstituted olefins and several oxidants, namely NaOCl, PhIO and n-Bu 4NHSO5. 2,2?-Dimethylchromene oxide was obtained from 2,2?-dimethylchromene with ee values of 56% and 74% when using 10 and NaOCl and PhIO, respectively.
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Chiral Catalysts,
Chiral catalysts – SlideShare