WO2025243250 - A PROCESS FOR THE PREPARATION OF 3-[5-(2-FLUOROPHENYL)-1,2,4-OXADIAZOL-3-YL]BENZOIC ACID
National phase entry is expected:
Publication Number
WO/2025/243250
Publication Date
27.11.2025
International Application No.
PCT/IB2025/055333
International Filing Date
23.05.2025
Title **
[English]
A PROCESS FOR THE PREPARATION OF 3-[5-(2-FLUOROPHENYL)-1,2,4-OXADIAZOL-3-YL]BENZOIC ACID
[French]
PROCÉDÉ DE PRÉPARATION D'ACIDE 3-[5-(2-FLUOROPHÉNYL)-1,2,4-OXADIAZOL-3-YL]BENZOÏQUE
Applicants **
BIOPHORE INDIA PHARMACEUTICALS PVT. LTD.
Inventors
PULLAGURLA, Manik Reddy
PITTA, Bhaskar Reddy
RANGISETTY, Jagadeesh Babu
Priority Data
202441040125
23.05.2024
IN
Application details
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International Searching Authority |
IP India
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 1955 | |
| EPO | Filing, Examination, Granting | 11624 | |
| Japan | Filing, Examination, Granting | 1921 | |
| South Korea | Filing, Examination, Granting | 1593 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
21,833
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Abstract[English]
The present invention relates to a process for the preparation of 3-[5-(2- Fluorophenyl)-1,2,4-oxadiazol-3-yl] benzoic acid represented by the following structural Formula (1). The present invention also relates to a process for the purification of 3-[5-(2- Fluorophenyl)-1,2,4-oxadiazol-3-yl]benzoic acid (1) having purity greater than 99.9% by High performance liquid chromatography (HPLC).[French]
La présente invention concerne un procédé de préparation d'acide 3-[5-(2-fluorophényl)-1,2,4-oxadiazol-3-yl]benzoïque représenté par la formule structurale suivante (1). La présente invention concerne également un procédé de purification de l'acide 3-[5-(2-fluorophényl)-1,2,4-oxadiazol-3-yl]benzoïque (1) ayant une pureté supérieure à 99,9 % par chromatographie liquide à haute performance (CLHP).