Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Formation of indazole oxides by tandem reaction
Reagents and conditions: (i) traditional Fmoc peptide synthesis; (ii) 2,4-dinitrobenzenesulfonyl chloride, lutidine, DCM, 16h; (iii) 2-bromo-4′-methyl-acetophenone, DIEA, DMF, 16h; (iv) DBU, DMF, 30 min; (v) 50% TFA in DCM, 30 min.
