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.
|
|---|
|
All reactions were carried out with 3da (0.20 mmol), 4 (1.5 equiv.), and DCM (3.0 mL), 17–21 h unless otherwise stated; isolated yield based on 3da; the dr ratio is given in brackets and determined by 1H NMR analysis (see ESI for details).
The reaction was carried out in CHCl3 (3.0 mL) at 80 °C.
