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.
Synthesis of the GA amino acid derivatives 12–32. Reagents and conditions: (a) K2CO3, alkyl halides, DMF, 24 h, 25 °C; (b) These compounds were synthesized by DCC mediated esterification of N-Boc protected amino acids followed by their deportation using TFA in dry DCM (for the amines) or by treating them with dry HCl gas in DCM (for the ammonium hydrochlorides).
