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.
Reactions and conditions: (a) (CH2O)n, MeOH, r.t., 2 h then, (S)-2-methylbutanoic acid and 7, r.t. 18 h, 61%. (b) H2, 10% w/w Pd/C, MeOH, r.t., 10 h. (c) 1-pyrenemethylamine hydrochloride, Et3N, EDCl, DMAP, CH2Cl2, r.t., 24 h, 80% over two steps.
