Discovery of (S)-Butane-1,3-diol

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Reference of 24621-61-2, Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about Reference of 24621-61-2, Name is (S)-Butane-1,3-diol

The Enantioface-differentiating Hydrogenation of the C=O Double Bond with Asymmetrically Modified Raney Nickel.XXXIII.The Preparation of (R)-and (S)-1,3-Butanediol from 4-Hydroxy-2-butanone

The enantioface-differentianing hydrogenation of 4-hydroxy-2-butanone (I) to 1,3-butanediol (II) was conduced with asymmetrically modified metal catalysts.Among the modified catalysts examined, Raney nickel modified with a solution containing tartaric acid and NaBr (TA-NaBr-MRNi) gave the best results with respect to the optical and chemical yields. (R)-II, an optical purity of 69 percent was obtained in a quantitative chemical yeld by the use of (R,R)-TA-NaBr-MRNi. (S)-II was also obtained by the use of (S,S)-TA-NaBr-MRNi.A simple method for the preparation of optically pure (S)- and (R)-II from the hydrogenation product was also developed.

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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