US 12,215,083 B2
Solid forms of 2-(5-(4-(2-morpholinoethoxy)phenyl)pyridin-2-yl)-n-benzylacetamide
Michael P. Smolinski, Amherst, NY (US)
Assigned to ATNX SPV, LLC, Buffalo, NY (US)
Filed by ATNX SPV, LLC, Buffalo, NY (US)
Filed on Dec. 9, 2021, as Appl. No. 17/546,133.
Application 16/858,854 is a division of application No. 16/124,281, filed on Sep. 7, 2018, granted, now 10,669,236, issued on Jun. 2, 2020.
Application 17/546,133 is a continuation of application No. 16/858,854, filed on Apr. 27, 2020, granted, now 11,230,527.
Claims priority of provisional application 62/555,390, filed on Sep. 7, 2017.
Prior Publication US 2022/0098152 A1, Mar. 31, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C07D 213/56 (2006.01)
CPC C07D 213/56 (2013.01) [C07B 2200/13 (2013.01)] 29 Claims
 
1. A method of preparing a Form B polymorph of Compound A:

OG Complex Work Unit Chemistry
wherein
the Form B polymorph is characterized by having X-ray powder diffraction peaks at approximately 6.4, 19.3, and 19.9°2θ using Cu Kα radiation, wherein approximately refers to ±0.3°2θ, wherein the method comprises:
slurrying Compound A in chloroform.