7-(4-amino-butylamino)-6-fluoro-1-cyclopropyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid 、 3-O-descladinosyl-3-O-[2-(2-pyridyl)acetyl]-6-O-acryloylazithromycin 在
N,N-二异丙基乙胺 作用下,
以
甲醇 为溶剂,
反应 8.0h,
以20.6%的产率得到3-O-descladinosyl-3-O-[2-(2-pyridyl)acetyl]-6-O-[3-({2-[(3-carboxy-6-fluoro1-cyclopropyl-1,4-dihydro-4-oxo-quinolin-7-yl)amino]butyl}amino)propanoyl]azithromycin