Scheme 2.
(a) 1-Boc-homopiperazine, ACN, rt, 14 h; (b) TFA, DCM, 0 °C, 2 h; and (c) various sulfonyl chlorides, NEt3, DCM, 0 °C, 3 h.
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.