WO2024084426 - -BIINDOLINE]-5,5'-DISULFONATE AND PROCESS FOR ITS PREPARATION THEREOF

National phase entry is expected:
Publication Number WO/2024/084426
Publication Date 25.04.2024
International Application No. PCT/IB2023/060559
International Filing Date 19.10.2023
Title **
[English] -BIINDOLINE]-5,5'-DISULFONATE AND PROCESS FOR ITS PREPARATION THEREOF
[French] FORMES SOLIDES DE 3,3'-DIOXO-[Δ2,2'-BIINDOLINE]-5,5'-DISULFONATE DISODIQUE ET LEUR PROCÉDÉ DE PRÉPARATION
Applicants **
BIOPHORE INDIA PHARMACEUTICALS PVT. LTD
Inventors
PULLAGURLA, Manik Reddy
RANGISETTY, Jagadeesh Babu
PITTA, Bhaskar Reddy
KOTHAKONDA, Kiran Kumar
BOGE, Rajesham
Priority Data
202241059654   19.10.2022   IN
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Quotation for National Phase entry

Country StagesTotal
China Filing, Examination, Granting2072
EPO Filing, Examination, Granting11576
Japan Filing, Examination, Granting2124
South Korea Filing, Examination, Granting2071
USA Filing, Examination, Granting8940
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Total: 26,783

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Abstract[English] -biindoline]-5,5'-disulfonate is having purity greater than 99.0% (w/w) by HPLC. The present invention further relates to process for the preparation of crystalline form of 3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonic acid is having purity greater than 99.0% (w/w) by HPLC.[French] -biindoline]-5,5'-disulfonate disodique ayant une pureté supérieure à 99,0 % (p/p) par HPLC. La présente invention concerne en outre un procédé de préparation de la forme cristalline de l'acide 3,3'-dioxo-[2,2'-biindolinylidène]-5,5'-disulfonique ayant une pureté supérieure à 99,0 % (p/p) par HPLC.