Ipt NIH-PA Author ManuscriptREAGENTSMATERIALSZinc powder (6 micron; Alfa Aesar catalogue number 10835) Trifluoromethanesulphonyl

Ipt NIH-PA Author ManuscriptREAGENTSMATERIALSZinc powder (six micron; Alfa Aesar catalogue quantity 10835) Trifluoromethanesulphonyl chloride (Sigma ldrich catalogue quantity 164798) Difluoromethanesulphonyl chloride (Enamine Ltd. catalogue number EN300-31728) two,two,2-Trifluoroethanesulphonyl chloride (Sigma ldrich…