(2S)-2-[N-trifluoroacetyl-N-((R)-phenylethyl)aminomethyl]-3,4-dihydro-2H-pyran 、 (3aR,4S,6S,7R,7aR)-6-azido-7-hydroxy-4-methoxy-3-methyl-3a,4,5,6,7,7a-hexahydro-1,3-benzoxazol-2-one 在
iodonium di(2,4,6-trimethylpyridine) perchlorate 作用下,
以
二氯甲烷 、
乙腈 为溶剂,
反应 16.0h,
以16%的产率得到N-[[(2S,5R,6S)-6-[[(3aR,4S,6S,7R,7aR)-6-azido-4-methoxy-3-methyl-2-oxo-3a,4,5,6,7,7a-hexahydro-1,3-benzoxazol-7-yl]oxy]-5-iodooxan-2-yl]methyl]-2,2,2-trifluoro-N-[(1R)-1-phenylethyl]acetamide