WO2023157015 - AN IMPROVED PROCESS FOR THE PREPARATION OF ERIBULIN INTERMEDIATES
National phase entry is expected:
Publication Number
WO/2023/157015
Publication Date
24.08.2023
International Application No.
PCT/IN2023/050108
International Filing Date
03.02.2023
Title **
[English]
AN IMPROVED PROCESS FOR THE PREPARATION OF ERIBULIN INTERMEDIATES
[French]
PROCÉDÉ AMÉLIORÉ POUR LA PRÉPARATION D'INTERMÉDIAIRES D'ÉRIBULINE
Applicants **
NATCO PHARMA LIMITED
Inventors
GUTALA, Phaneendra
KASA, Srinivasu
BRAHMADEVI, Nagamani
SIRIGIREDDY, Balakrishna Reddy
DANDALA, Ramesh
MUDDASANI, Pulla Reddy
NANNAPANENI, Venkaiah Chowdary
Priority Data
202241008410
17.02.2022
IN
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
| * | |
| Number of Office Actions | * |
| * | |
International Searching Authority |
IP India
* |
| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
* |
| Type of Assignment |
The Standard Agent's Assignment
* |
| Applicant's Legal Status |
Legal Entity
* |
| * | |
| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
* |
| Patent Delivery |
Send the Letters Patent by Courier
* |
| Translation |
|
* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 1955 | |
| EPO | Filing, Examination, Granting | 11721 | |
| Japan | Filing, Examination, Granting | 1818 | |
| South Korea | Filing, Examination, Granting | 1323 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
21,557
The term for entry into the National Phase has expired. This quotation is for informational purposes only
Abstract[English]
The present invention relates to process for the preparation of intermediates of Eribulin and process for the preparation of the same. The process of the present invention involves less expensive reagents, solvents and the process conditions can be easily adopted for commercial scale.[French]
La présente invention concerne un procédé de préparation d'intermédiaires d'éribuline et un procédé de préparation de ceux-ci. Le procédé de la présente invention implique des réactifs et des solvants moins coûteux, et les conditions de traitement peuvent être facilement adoptés à l'échelle commerciale.