异氰环已烷 、
2-[(3aR,5S,6S,6aR)-5-formylspiro[3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxole-2,1'-cyclohexane]-6-yl]oxyacetic acid 、
乙烷,三氯氟- 以
甲醇 为溶剂,
反应 10.0h,
以82%的产率得到(1S,2R,6R,8R,9R)-N-cyclohexyl-10-(4-methylphenyl)-11-oxospiro[3,5,7,13-tetraoxa-10-azatricyclo[6.5.0.02,6]tridecane-4,1'-cyclohexane]-9-carboxamide