6-(4-chloro-5-trifluoromethyl-pyrimidin-2-ylamino)-(1S,4R)-1,2,3,4-tetrahydro-1,4-epiazano-naphthalene-9-carboxylic acid tert-butyl ester 、
乙硫醇 在
sodium hydride 作用下,
以
1,4-二氧六环 为溶剂,
反应 1.5h,
以98%的产率得到(-)-6-(4-ethylsulfanyl-5-trifluoromethyl-pyrimidin-2-ylamino)-(1S,4R)-1,2,3,4-tetrahydro-1,4-epiazano-naphthalene-9-carboxylic acid tert-butyl ester