反应详情

Following a reaction and purification procedure similar to those described in Example (1a), 4.42 of 4-methoxyphenyl 3-nitrophenyl ketone, 4.42 g of (R)-1-(3,5-difluorophenyl)ethylamine hydrochloride, 11.7 ml of triethylamine, 2.01 ml of titanium tetrachloride, 4.25 g of sodium cyanoborohydride and 1.31 ml of acetic acid were reacted, to obtain 860 mg of the more polar isomer B of the title compound as a yellow oil.

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