Discovery of (S)-Propane-1,2-diol

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One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, Recommanded Product: (S)-Propane-1,2-diol, such as the rate of change in the concentration of reactants or products with time.In a article, mentioned the application of 4254-15-3, Name is (S)-Propane-1,2-diol, molecular formula is C3H8O2

Preparation and Chiroptical Properties of Optically Active Vinyl Ether-Iron and Olefin-Iron Complexes. A CD Quadrant Rule Correlating Absolute Configurations.

Exchange etherification of dicarbonylcyclopentadienyl(eta2-ethyl vinyl ether)iron tetrafluoroborate (4) with optically active primary and secondary alcohols yields a mixture of diastereomeric cations.These isomers are in rapid equilibrium at room temperature.The most favorable equilibrium ratio of such diastereomers (4:1) is achieved with (+)- or (-)-menthol, and the absolute configuration of the predominant diastereomer, formed with (-)-menthol, has been determined.Optically active dicarbonylcyclopentadienyl (eta2-olefin)iron tetrafluoroborate may also be prepared from optically active epoxides.A study of the circular dichroism of these optically active complexes, together with those prepared earlier from the dioxene-iron complex (1), has been carried out and a mechanism by which asymmetry is induced at the achiral metal center is proposed.These observations provide the basis for a quadrant rule relating the sign of the Cotton effect near 450 nm and the absolute configuration of the olefin-iron complex.

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Reference£º
Synthesis and Crystal Structure of a Chiral?C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur¨Cnitrogen¨Coxygen ligand derived from aminothiourea and sodium?D-camphor-¦Â-sulfonate