Isopropylmagnesium chloride-promoted unilateral addition of Grignard reagents to β-diketones: one-pot syntheses of β-tertiary hydroxyl ketones or 3-substituted cyclic-2-enones
2016 ◽
Vol 14
(2)
◽
pp. 724-728
◽
Regioselective unilateral additions of Grignards to acyclic or cyclic β-diketones were effectively promoted by sub-stoichiometric amounts of i-PrMgCl to afford β-tertiary alcohol ketones or 3-substituted cyclic-2-enones, respectively.