US 9,809,534 B1
Difluoroalkylcyclopropyl amino acids and esters, and syntheses thereof
Kirill A. Lukin, Vernon Hills, IL (US); Jianzhang Mei, Lake Forest, IL (US); David R. Hill, Gurnee, IL (US); and Michael J. Abrahamson, Chicago, IL (US)
Assigned to AbbVie INC., North Chicago, IL (US)
Filed by AbbVie Inc., North Chicago, IL (US)
Filed on Jul. 17, 2015, as Appl. No. 14/802,392.
Claims priority of provisional application 62/026,854, filed on Jul. 21, 2014.
Int. Cl. C07C 271/24 (2006.01); C07C 269/06 (2006.01); C07C 69/74 (2006.01); C07C 67/333 (2006.01); C07C 67/347 (2006.01); C12P 7/62 (2006.01)
CPC C07C 271/24 (2013.01) [C07C 67/333 (2013.01); C07C 67/347 (2013.01); C07C 69/74 (2013.01); C07C 269/06 (2013.01); C12P 7/62 (2013.01)] 15 Claims
 
1. A compound, or a salt thereof, having a structure selected from:

OG Complex Work Unit Drawing
wherein, independently for each occurrence,
R is ethyl or n-propyl.