在
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
二氯甲烷 为溶剂,
反应 18.0h,
以6 mg的产率得到cyclo[N-(tert-butyloxycarbonyl)-O-[[N-[(2S,3S,4S)-4-[(3S,4R,5S)-4-amino-3-[(triisopropylsilyl)oxy]-5-methylheptanoyl]-oxy-3-(methoxymethoxy)-2,5-dimethylhexanoyl]-L-leucyl]-L-prolyl-L-(3-carboxy-1,2,3,4-tetrahydro-7-methoxyisoquinolyl)]-L-threonyl]