The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: N-((1S,2S)-2-Amino-1,2-diphenylethyl)-2,3,4,5,6-pentafluorobenzenesulfonamide(SMILESS: O=S(C1=C(F)C(F)=C(F)C(F)=C1F)(N[C@@H](C2=CC=CC=C2)[C@@H](N)C3=CC=CC=C3)=O,cas:313342-24-4) is researched.Name: (S)-Butan-2-ol. The article 《Accessible Bifunctional Oxy-Tethered Ruthenium(II) Catalysts for Asymmetric Transfer Hydrogenation》 in relation to this compound, is published in Organic Letters. Let’s take a look at the latest research on this compound (cas:313342-24-4).
A concise synthesis of new oxy-tethered ruthenium complexes effective for the asym. transfer hydrogenation of aromatic ketones is described. The oxy-tether was constructed via a defluorinative etherification arising from an intramol. nucleophilic substitution of a perfluorinated phenylsulfonyl substituent. The obtained tethered complexes exhibited desirable catalytic activity and selectivity, especially in the asym. transfer hydrogenation of functionalized aromatic ketones. The robustness and rigidity of the tether contribute to their superior catalytic performance relative to the nontethered prototype complex.
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Reference:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem