1-Phenethylamine, (-)- → HCID 59492949, compound

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Reaction Steps

Under an argon atmosphere, (S)-(−)-1-phenylethylamine (0.392 ml) and a seed crystal of a salt of an optically active form of 4-chloro-9-hydroxy-9-trifluoromethyl-9H-fluorene-2-carboxylic acid and (S)-(−)-1-phenylethylamine were added to a mixture of 4-chloro-9-hydroxy-9-trifluoromethyl-9H-fluorene-2-carboxylic acid (1.000 g) and ethyl acetate (5 ml), and the mixture was stirred at room temperature for 3 days. This suspension was filtered, and the obtained solid was washed with ethyl acetate (3 ml). The solid was dried under reduced pressure to give the title compound (0.466 g). The solid was analyzed under HPLC analysis condition 4 to find that an isomer with a long retention time was the main component.

Provenance & Evidence