Benzo[1,3]dioxole-5-sulfonic acid [(R)-2-hydroxy-2-((E)-(S)-4-hydroxy-16-oxo-7,10,11,12,13,14,15,16-octahydro-6H-5-oxa-15-aza-benzocyclotetradecen-14-yl)-ethyl]-isobutyl-amide 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 为溶剂,
以91%的产率得到(2'R,14S)-benzo[1'',3'']dioxole-5''-sulfonic acid [2'-hydroxy-2'-(4-hydroxy-16-oxo-7,8,9,10,11,12,13,14,15,16-decahydro-6H-5-oxabenzocyclotetradecen-14-yl)ethyl]isobutylamide