2-amino-1-methylcyclopentanol hydrochloride 、
2-氯-3-甲基-4-氟苯甲腈 在
crude material 、
2-chloro-4-[[(1R,2R)-2-hydroxy-2-methylcyclopentyl]amino]-3-methylbenzonitrile 作用下,
以to obtain Diastereomer 1 (0.54 g) and Diastereomer 2 (1.56 g)的产率得到2-chloro-4-[[(1R,2R)-2-hydroxy-2-methylcyclopentyl]amino]-3-methylbenzonitrile