1-(bicyclo[6.1.0]non-4-yn-9-yl)-3-oxo-2,7,10,13,16-pentaoxa-4-azanonadecan-19-oic acid 、 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,N-二甲基甲酰胺 为溶剂,
反应 1.0h,
以37%的产率得到bicyclo[6.1.0]non-4-yn-9-ylmethyl N-(14-{[(1S)-1-{[(1S)-4-(carbamoylamino)-1-[(4-{2-[(1R,2S,8S,10S,11S,13R,14R,15S,17S)-1,8-difluoro-14,17-dihydroxy-2,13,15-trimethyl-5-oxotetracyclo[8.7.0.0
2'
7,0
11'
15]heptadeca-3,6-dien-14-yl]-2-oxoethoxy}phenyl)carbamoyl]butyl]carbamoyl}-2-methylpropyl]carbamoyl}-3,6,9,12-tetraoxatetradecan-1-yl)carbamate