(S)-2-amino-3-cyclohexyl-N-((1R,2S,4R)-1,7,7-trimethylbicyclo[2.2.1]hept-2-yl)propionamide trifluoroacetic acid salt 、
tert-butyl 3-(6-tert-butoxycarbonylamino-pyridin-3-yl)-2-(2-oxo-oxazolidine-3-sulfonylamino)-propionate 在
三乙胺 作用下,
以
乙腈 为溶剂,
反应 20.0h,
以30%的产率得到tert-Butyl 3-(6-tert-butoxycarbonylamino-pyridin-3-ylmethyl)-2-[(S)-2-cyclohexyl-1-((1R,2S,4R)-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yl-carbamoyl)-ethylsulfamidyl]propionate