Helvetica Chimica Acta p. 604 - 614 (1986)
Update date:2022-08-05
Topics:
Chow, Hak-Fun
Seebach, Dieter
Under carefully controlled conditions, boron trichloride or alkoxytrichloroborane/ethyldiisopropylamine in CH2Cl2 can be used to effect diastereoselective aldol additions of ethyl ketones to saturated, α,β-unsaturated, or aromatic aldehydes.The C-C bond formation takes place with relative topicity ul ('syn' configuration of the aldols), in selectivities ranging from 90 to 99percent ds (Tables 1-3).Mechanistic aspects of the reaction are discussed.
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