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.
(A) Conceptual description of chiral anion phase transfer catalysis. (B) Previously described enantioselective fluorination of allylic alcohols combining a chiral phosphoric acid phase transfer catalyst and a p-tolylboronic acid directing group. (C) Enantioselectivity values obtained with different aryl BAs with (S)-TRIP.55
