3'-((R)-6,6-difluoro-5,7,7-trimethyl-3-oxo-[1,4]oxazepan-5-yl)-4'-fluoro-biphenyl-3-sulfonic acid 2,2-dimethyl-propyl ester 、
劳森试剂 以
1,4-二氧六环 为溶剂,
以yielded the 3′-((R)-6,6-difluoro-5,7,7-trimethyl-3-thioxo-[1,4]oxazepan-5-yl)-4′-fluoro-biphenyl-3-sulfonic acid 2,2-dimethyl-propyl ester (115 mg, 90%) as a white foam的产率得到3'-((R)-6,6-difluoro-5,7,7-trimethyl-3-thioxo-[1,4]oxazepan-5-yl)-4'-fluoro-biphenyl-3-sulfonic acid 2,2-dimethyl-propyl ester