(Z)-methyl (1,2,5,6-tetrahydro-1-methyl-2-oxopyridin-3-yl)(methoxy)methylenecarbamate 在
三甲基氯硅烷 、 copper;N-[[(4R,5R)-2-[2-[(4R,5R)-4-(methanesulfonamidomethyl)-5-methyl-4,5-dihydro-1,3-oxazol-2-yl]propan-2-yl]-5-methyl-4,5-dihydro-1,3-oxazol-4-yl]methyl]methanesulfonamide;trifluoromethanesulfonate 、 sodium iodide 作用下,
以
二氯甲烷 、
乙腈 为溶剂,
反应 14.0h,
生成
methyl ((4aS,8R,8aS)-6-((tert-butyldimethylsilyl)oxy)-8-methoxy-2-methyl-1-oxo-1,2,3,4,4a,5,8,8a-octahydroisoquinoline-8a-carbonyl)carbamate