5949-01-9Relevant articles and documents
Designing fluorinated cinchona alkaloids for enantioselective catalysis: Controlling internal rotation by a fluorine-ammonium ion gauche effect (ψNCCF)
Tanzer, Eva-Maria,Schweizer, W. Bernd,Ebert, Marc-Olivier,Gilmour, Ryan
, p. 2006 - 2013 (2012/03/27)
The C9 position of cinchona alkaloids functions as a molecular hinge, with internal rotations around the C8-C9 (τ1) and C9-C4′ (τ2) bonds giving rise to four low energy conformers (1; anti-closed, anti-open, syn-closed, and syn-open)