Abstract
The asymmetric aza-Henry reaction of fluoromethyl imines derived from 4-methoxyaniline with nitromethane was achieved under mild conditions using cinchona-derived bifunctional thiourea as catalyst. A series of chiral fluoromethylated β-nitroamines were synthesized and their transformation to optically pure 4-fluoromethyl-2-imidazolidones was illustrated.
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