2-((((5E,9E)-13-chloro-14,16-bis(ethoxymethoxy)-1-oxo-1,3,4,7,8,12-hexahydro-11H-benzo[c][1]oxacyclotetradecin-11-ylidene)amino)oxy)-N-cyclohexylacetamide 在
polystyrene-sulfonic acid 作用下,
以
甲醇 为溶剂,
反应 4.0h,
以85%的产率得到2-[[(6E,10E)-15-chloro-16,18-dihydroxy-2-oxo-3-oxabicyclo[12.4.0]octadeca-1(14),6,10,15,17-pentaen-12-ylidene]amino]oxy-N-cyclohexylacetamide