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.
Reagents and conditions: a Pyridine, DCE, microwave 150°C, 10 min. b NiCl2·6H2O, MeOH/THF 1:1, NaBH4, 0 °C, 15~30 min. c, 2,3-Dichloronaphthoquinone, 95% EtOH, sealed tube, reflux, 115°C, 3 days; d 5-aminotetrazole, Na2CO3, H2O, r.t., 24 h e THF, 0°C, 30 min., f MeOH (0.3g in 10 mL), H-cube, H2, 40 bar, 10% Pd/C, 30°C, flow rate = 1 mL/min.
