US 12,258,309 B2
Ultra short acting anti-arrhythmic agents
John Somberg, Lake Forest, IL (US); and Robert J Chorvat, Chadds Ford, PA (US)
Assigned to Academic Pharmcauticals, Inc., Lake Bluff, IL (US)
Filed by Academic Pharmaceuticals, INC., Lake Bluff, IL (US)
Filed on Jul. 6, 2023, as Appl. No. 18/347,808.
Application 18/347,808 is a continuation of application No. 17/645,723, filed on Dec. 22, 2021, granted, now 11,731,938.
Claims priority of provisional application 63/199,436, filed on Dec. 28, 2020.
Prior Publication US 2024/0025846 A1, Jan. 25, 2024
Int. Cl. C07C 317/28 (2006.01)
CPC C07C 317/28 (2013.01) 12 Claims
 
1. A compound of Formula I-III or a stereoisomer thereof:
 
Formula Formula
 
I
 

OG Complex Work Unit Chemistry
 
II
 

OG Complex Work Unit Chemistry
 
III
 

OG Complex Work Unit Chemistry
 
wherein:
R is selected from H, C1-6 alkyl, C3-6 alkenyl, and C3-6 alkynyl; and,
m is selected from 0 and 1;
or a pharmaceutically acceptable salt thereof.