Patent ID: 11952375
Assignee: EFFECTOR THERAPEUTICS INC.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  Y | IPC A  C

Claim 1:
2. A process of producing a crystalline solid of a compound having the structure:, wherein the crystalline solid is characterized by an X-ray powder diffraction pattern comprising peaks, expressed in values of degrees 2θ, at about 8.07; about 10.81; about 14.68; and about 22.07±0.2, the process comprising
a) creating a suspension of the compound in aqueous ethanol at 35° C. to 45° C.
b) cooling the suspension to room temperature
c) filtering the suspension to isolate a cake of crystalline solid
d) washing the cake with aqueous ethanol, and
e) drying the cake under vacuum to constant weight.