(3R,4S)-3-(5-chloro-4-{6-[(tetrahydro-pyran-4-ylmethyl)amino]-pyrazin-2-yl}-pyridin-2-ylcarbamoyl)-4-fluoro-pyrrolidine-1-carboxylic acid benzyl ester 在
钯 氢气 、
乙酸乙酯 、
水 、 Brine 、
Sodium sulfate-III 、
三氟乙酸 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以lyophilized providing (3R,4S)-4-fluoro-pyrrolidine-3-carboxylic acid (5-chloro-4-{6-[(tetrahydro-pyran-4-ylmethyl)-amino]-pyrazin-2-yl}-pyridin-2-yl)-amide (8 mg) as its trifluoroacetic acid salt as an off-white solid的产率得到(3R,4S)-4-fluoro-pyrrolidine-3-carboxylic acid (5-chloro-4-{6-[(tetrahydro-pyran-4-ylmethyl)-amino]-pyrazin-2-yl}-pyridin-2-yl)-amide