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
4th & 5th Floor, NDM-1, Block A,
Netaji Subhash Place, Shakurpur, Delhi
New Delhi 110034, IN
Inventors
JINDAL, Neeraj
F 3/21, Ground floor, Vasant Vihar-1, New Delhi-110057, IN
JINDAL, Piyush
Unit No Y 051, Dlf Capital Greens, Moti Nagar, New Delhi- 110015, IN
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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International Searching Authority |
IP India
* |
| Applicant's Legal Status |
Legal Entity
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| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
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| Translation |
|
Recalculate
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing | 961 | |
| EPO | Filing, Examination | 6349 | |
| Japan | Filing | 587 | |
| South Korea | Filing | 574 | |
| USA | Filing, Examination | 2710 |
Total: 11181 USD
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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.