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.
Summary of Yang’s approach to the diversity-oriented synthesis of benzofurans and indoles. Reagents and conditions: (1) MeOH, 25 °C, 12 h; (2) xylene, 140 °C; (3) CH2Cl2-benzene (1 : 25), DDQ, (X = O, 87% over 3 steps; X = NMe, 61% over 3 steps).
