SuFEx Activation with Ca(NTf2)2: A Unified Strategy to Access Sulfamides, Sulfamates, and Sulfonamides from S(VI) Fluorides. - Mahapatra S; Woroch CP; Butler TW; Carneiro SN; Kwan SC; Khasnavis SR; Gu J; Dutra JK; Vetelino BC; Bellenger J; Am Ende CW; Ball ND (Organic letters, 2020)