Scheme 2.
Synthesis of trifluoromethyl derivatives of BC23 (NBC41) and NBC6 (NBC42): a) CF3CN, Zn(acac)2, CH2Cl2, RT, 18 h; b) K2CO3, EtOH, 50 °C, 24 h (for R=Me); c) DPBA, THF, 50 °C, 16 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.