Bismuth Triflate−Chiral Bipyridine Complexes as Water-Compatible Chiral Lewis Acids
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https://figshare.com/articles/dataset/Bismuth_Triflate_Chiral_Bipyridine_Complexes_as_Water_Compatible_Chiral_Lewis_Acids/3263545
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资源简介：
Catalytic asymmetric hydroxymethylation of silicon enolates with an aqueous formaldehyde solution has been developed using a chiral bismuth
complex. This is the first example of highly enantioselective reactions using a chiral bismuth catalyst in aqueous media. In this paper, we
have added Bi(OTf)3−1 complex as a “water-compatible Lewis acid”. Bi(OTf)3 is unstable in the presence of water but is stabilized by the basic
ligand.
创建时间：
2005-10-13
