(3S,9S)-3-amino-18,23-dioxa-5-azapentacyclo[22.2.2.05,9.011,19.012,17]octacosa-1(27),11(19),12,14,16,24(28),25-heptaen-4-one 在
N-甲基吗啉 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N-甲基吡咯烷酮 为溶剂,
反应 16.17h,
以76%的产率得到tert-butyl N-[(2S)-1-oxo-1-[[(3S,9S)-4-oxo-18,23-dioxa-5-azapentacyclo[22.2.2.05,9.011,19.012,17]octacosa-1(27),11(19),12,14,16,24(28),25-heptaen-3-yl]amino]propan-2-yl]carbamate