On April 21, 2022, Rai, Roopa; Booth, Robert published a patent.COA of Formula: C9H14N2 The title of the patent was Preparation of 1H-pyrrolo[2,3-b]pyridine derivatives as PGDH inhibitors and inhalation formulations thereof. And the patent contained the following:
Disclosed are compounds that inhibit 15-hydroxy-prostaglandin dehydrogenase (PGDH) thus modulating prostaglandin levels which may be useful for the treatment of respiratory disorders such as COPD and idiopathic pulmonary fibrosis. Compounds of formula I [wherein R1 = (un)substituted C6-10aryl and 5- to 10-membered heteroaryl; R2 = H and R3 = CF3; R2 and R3 together = O; each R4 and R5 independently = halo, OH and derivatives, NH2 and derivatives, etc.; m = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10; n = 1, 2, 3, or 4; p = 0, 1, 2, or 3] or pharmaceutically acceptable salts thereof, are claimed and exemplified. Example compound II was prepared from a multistep procedure (preparation given). Exemplified I were evaluated for PGDH inhibitory activity from which II demonstrated an IC50 of < 0.1μM. In some embodiments, the compounds disclosed herein are formulated for delivery via inhalation. The experimental process involved the reaction of 6-(tert-Butyl)pyridin-3-amine(cas: 39919-70-5).COA of Formula: C9H14N2
The Article related to pyrrolopyridine carboxamide derivative preparation inhalant formulation, hydroxyprostaglandin dehydrogenase inhibitor preparation pulmonary fibrosis copd, benzimidazole azabenzimidazole indole benzoxazine carboxamide preparation prostaglandin inhibitor and other aspects.COA of Formula: C9H14N2