Benzoic acid (2S,3R,4S,6R)-4-dimethylamino-2-((E)-(3R,5R,6R,7R,9R,13S,14R)-14-ethyl-13-hydroxy-7-methoxy-3,5,7,9,11-pentamethyl-2,4,10-trioxo-oxacyclotetradec-11-en-6-yloxy)-6-methyl-tetrahydro-pyran-3-yl ester 在
potassium tert-butylate 、
N-氟代双苯磺酰胺 作用下,
以
四氢呋喃 为溶剂,
反应 0.75h,
生成