Enantio- and Diastereoselective Catalysis of Addition Reaction of Allylic Silanes and Stannanes to Glyoxylates by Binaphthol-derived Titanium Complex

DOI: 10.1016/S0040-4020(01)80535-4

Source and publish data:

Tetrahedron p. 1783 - 1792 (1993)

Update date:2022-08-29

Topics:

Authors:

Aoki, Seiichi

Mikami, Koichi

Terada, Masahiro

Nakai, Takeshi

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Article abstract of DOI:10.1016/S0040-4020(01)80535-4

Chiral titanium complex (1), prepared in situ from optically pure binaphthol and diisopropoxytitanium dihalide in the presence of molecular sieves, is shown to catalyze the addition reactions of crotylsilanes and -stannanes to glyoxylates to afford (syn)-α-hydroxy-β-methyl esters in highly scalemic forms with high diastereoselectivity.Key Words: Asymmetric catalysis; Enantiocontrol; Diastereocontrol; Allylic silane; Allylic stannane; Carbonyl-addition reaction; Carbonyl-enereaction; Glyoxylate; Binaphthol-derived titanium dihalide; Chiral titanium complex

Full text of DOI:10.1016/S0040-4020(01)80535-4

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