Tetrahedron Letters p. 2977 - 2980 (1985)
Update date:2022-08-03
Topics:
Flippin, Lee A.
Dombroski, Mark A.
Lithium enolates derived from the title esters show high diastereoface selectivity in their reactions with chiral aldehydes.The resulting 2,2-dithioaldols are desulfurized in good yield with Ni2B-H2 (EtOH, 20 deg C).With this mild desulfurization protocol, complete retention of stereochemical integrity was observed for all isolated aldols.
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