In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Recommanded Product: (2S,3S)-Butane-2,3-diol, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 19132-06-0, name is (2S,3S)-Butane-2,3-diol. In an article£¬Which mentioned a new discovery about 19132-06-0
Selective mono-acylation of 1,2- and 1,3-diols using (alpha,alpha- difluoroalkyl)amines
In the reaction of N,N-diethyl-alpha,alpha-difluorobenzylamine (DFBA) with 1,2- or 1,3-diols, selective mono-benzoylation occurs to afford mono-esters of the diols in good yield. The reaction is completed under mild conditions in a short reaction time. Further, prim-, sec-, and tert-diols and catechol can be converted to the corresponding mono-benzoates. DFBA is used for the protection of the hydroxy group in sugars. The selective mono-nicotinylation, formylation and pivaloylation of diols are also performed by using the corresponding difluoroalkylamines.
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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