US 12,152,000 B2
Process for making a pharmaceutical compound
Kishor Bapu Gavhane, Mumbai (IN); Nitin Punjaji Lad, Mumbai (IN); Ramakrishna Guduru, Mumbai (IN); and Sunit Ramesh Kulkarni, Mumbai (IN)
Assigned to ADEPTIO PHARMACEUTICALS LIMITED, London (GB)
Filed by Adeptio Pharmaceuticals Limited, London (GB)
Filed on Apr. 12, 2023, as Appl. No. 18/299,191.
Claims priority of application No. 202211022077 (IN), filed on Apr. 13, 2022; and application No. 22176081 (EP), filed on May 30, 2022.
Prior Publication US 2023/0331667 A1, Oct. 19, 2023
Int. Cl. C07C 313/20 (2006.01); B01J 27/128 (2006.01)
CPC C07C 313/20 (2013.01) [B01J 27/128 (2013.01)] 18 Claims
 
1. A process for the preparation of a compound of the formula (5)

OG Complex Work Unit Chemistry
which process comprises the reaction of a compound of the formula (4):

OG Complex Work Unit Chemistry
with allyl zinc bromide.