WO2024261774 - PROCESS FOR PREPARATION OF PYROXASULFONE
National phase entry:
Publication Number
WO/2024/261774
Publication Date
26.12.2024
International Application No.
PCT/IN2024/050844
International Filing Date
15.06.2024
Title **
[English]
PROCESS FOR PREPARATION OF PYROXASULFONE
[French]
PROCÉDÉ DE PRÉPARATION DE PYROXASULFONE
Applicants **
SHOGUN ORGANICS LIMITED
Inventors
JINDAL, Neeraj
JINDAL, Piyush
Priority Data
202311041246
17.06.2023
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 | * |
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| Number of Office Actions | * |
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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
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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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* 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 | 1951 | |
| EPO | Filing, Examination, Granting | 11536 | |
| Japan | Filing, Examination, Granting | 1930 | |
| South Korea | Filing, Examination, Granting | 1571 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
21,728
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
The present invention relates to a process for the preparation of Pyroxasulfone of Formula (I) or salts thereof from a compound of Formula (II) by reacting the compound of Formula (II) with a suitable oxidizing agent in presence of a metal catalyst, an inorganic acid and optionally a phase transfer catalyst. Formula (I) Formula (II).[French]
La présente invention concerne un procédé de préparation de pyroxasulfone de formule (I) ou de sels de celui-ci à partir d'un composé de formule (II) par mise en réaction du composé de formule (II) avec un agent oxydant approprié en présence d'un catalyseur métallique, d'un acide inorganique et éventuellement d'un catalyseur de transfert de phase.