Research Article
Regioselective and Chemoselective Reduction of ,-Unsaturated Carbonyl Compounds by /Ba as a Reducing System
Table 1
Optimization of reduction reaction of cinnamaldehyde to 3-phenyl-2-propen-1-ol and benzylideneacetone to 4-phenyl-3-buten-2-ol with NaBH4/Ba(OAc)2 as a reducing system.
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aMolar ratio as substrate: NaBH4 : Ba(OAc)2; bcompletion of the reactions was monitored by TLC (eluent; n-hexane/EtOAc: 9/1). cReaction was carried out under reflux conditions. |