
Organometallics p. 2860 - 2862 (1990)
Update date:2022-08-04
Topics:
Bachand, Benoit
Bélanger-Gariépy, Francine
Wuest, James D.
Treatment of the bis(trimethylsilyl) ether of racemic (1α,2β,3α)-3-methyl-1,2-cyclohexanediol with 2 equiv of TiCl4 yields the titanium trichloroalkoxide 2, a bidentate Lewis acid. An X-ray crystallographic study of its 1:2 complex with pinacolone has shown that the OTiCl3 groups are equatorial and are doubly bridged by chloride, and each binds a single pinacolone to form an approximately octahedral complex. Compound 2 therefore incorporates dual acidic sites that allow two basic substrates to be bound in close proximity.
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Doi:10.1002/anie.201007437
(2011)Doi:10.1016/S0040-4020(01)90516-2
(1990)Doi:10.1021/jo00307a025
(1990)Doi:10.1021/jm00172a024
(1990)Doi:10.1055/s-0032-1317928
(2013)Doi:10.1016/j.jfluchem.2010.12.013
(2011)