Regiospecific fluorination using N-fluorobenzenesulfonimide (NFSi) and N-fluoro-O-benzenedisulfonimide (NFOBS) reagents via directed ortho metalation (Scheme 1) is reported and exceptions of PhSO2 transfer from NFSi are described.
使用区域专一
氟化Ñ -fluorobenzenesulfonimide(
NFSI)和ñ -
氟ö -benzenedisulfonimide(NF
OBS)试剂经由定向邻位
金属化(方案1)的报告和PhSO的例外2从
NFSI转移进行说明。