The mild reaction conditions and the high selectivity of Pyry-BF 4 towards NH 2 groups permit the formation of sulfonyl chlorides in a late-stage fashion, tolerating a preponderance of sensitive functionalities.doi:10.1002/anie.201910895Alejandro Gómez‐Palomino...
Selective Late‐Stage Sulfonyl Chloride Formation from Sulfonamides Enabled by Pyry‐BF4aminesheterocyclesnucleophilic additionsulfonamidessynthetic methodstype="main" xml:lang="en">\n