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WO2009087581A4 - Procédé perfectionné pour la préparation de polysulfate de pentosane ou de ses sels - Google Patents

Procédé perfectionné pour la préparation de polysulfate de pentosane ou de ses sels Download PDF

Info

Publication number
WO2009087581A4
WO2009087581A4 PCT/IB2009/050001 IB2009050001W WO2009087581A4 WO 2009087581 A4 WO2009087581 A4 WO 2009087581A4 IB 2009050001 W IB2009050001 W IB 2009050001W WO 2009087581 A4 WO2009087581 A4 WO 2009087581A4
Authority
WO
WIPO (PCT)
Prior art keywords
picoline
salt
xylan
sodium
mixture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/IB2009/050001
Other languages
English (en)
Other versions
WO2009087581A1 (fr
Inventor
Keshav Deo
Ashok Prasad
Hitesh Patel
Dharmesh Dhameliya
Bharat Patel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alembic Ltd
Original Assignee
Alembic Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alembic Ltd filed Critical Alembic Ltd
Publication of WO2009087581A1 publication Critical patent/WO2009087581A1/fr
Publication of WO2009087581A4 publication Critical patent/WO2009087581A4/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0057Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Xylans, i.e. xylosaccharide, e.g. arabinoxylan, arabinofuronan, pentosans; (beta-1,3)(beta-1,4)-D-Xylans, e.g. rhodymenans; Hemicellulose; Derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

La présente invention vise à proposer un procédé perfectionné pour la préparation de polysulfate de pentosane de formule (I) ou un sel de celui-ci, comprenant une étape de traitement de xylane par de l'acide chlorosulfonique en présence de picoline.
PCT/IB2009/050001 2008-01-04 2009-01-01 Procédé perfectionné pour la préparation de polysulfate de pentosane ou de ses sels Ceased WO2009087581A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN34MU2008 2008-01-04
IN34/MUM/2008 2008-01-04

Publications (2)

Publication Number Publication Date
WO2009087581A1 WO2009087581A1 (fr) 2009-07-16
WO2009087581A4 true WO2009087581A4 (fr) 2009-10-08

Family

ID=40637168

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2009/050001 Ceased WO2009087581A1 (fr) 2008-01-04 2009-01-01 Procédé perfectionné pour la préparation de polysulfate de pentosane ou de ses sels

Country Status (1)

Country Link
WO (1) WO2009087581A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012114349A1 (fr) 2011-02-23 2012-08-30 Cadila Healthcare Limited Procédé amélioré pour la préparation de pentosane polysulfate sodium
CN102766225B (zh) * 2011-05-06 2015-08-05 上海医药工业研究院 一种戊聚糖聚硫酸钠的制备方法以及一种寡聚木糖
AU2013215237B2 (en) 2012-01-30 2017-11-23 Baxalta GmbH Non-anticoagulant sulfated or sulfonated polysaccharides
ITMI20130112A1 (it) 2013-01-24 2014-07-25 Chemi Spa Metodo di qualificazione di preparazioni di pentosan polifosfato, sue materie prime e processi di produzione
SG11202001824RA (en) 2016-08-31 2020-04-29 Oji Holdings Corp Production method for acidic xylooligosaccharide, and acidic xylooligosaccharide
JP6225321B1 (ja) 2016-08-31 2017-11-08 王子ホールディングス株式会社 ポリ硫酸ペントサンの製造方法
JP6281659B1 (ja) * 2017-02-28 2018-02-21 王子ホールディングス株式会社 ポリ硫酸ペントサン、医薬組成物及び抗凝固剤
US11278485B2 (en) 2017-05-31 2022-03-22 Oji Holdings Corporation Moisturizing topical preparation
MX2020002726A (es) 2017-09-12 2020-07-20 Oji Holdings Corp Polisulfato de pentosan y metodo para producir polisulfato de pentosan.
CN111511773B (zh) 2017-12-20 2023-01-13 王子控股株式会社 戊聚糖多硫酸酯以及含有戊聚糖多硫酸酯的药物
WO2020039480A1 (fr) 2018-08-20 2020-02-27 株式会社レクメド Nouvelle préparation de pentosane polysulfate sodique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2689848A (en) * 1951-02-06 1954-09-21 Wander Ag Dr A Salts of sulfuric acid esters of xylan
FR2572731B1 (fr) * 1984-11-07 1987-03-06 Sanofi Sa Nouveaux sulfates de xylanes de bas poids moleculaires, leur procede de preparation et leur activite antithrombotique et hypolipemiante par voie orale
SE453394B (sv) * 1986-07-07 1988-02-01 Pharmacia Ab Forfarande for framstellning av sulfaterade polysackarider genom anvendning av ett reducerande medel for sulfateringsreaktionen
WO2008107906A1 (fr) * 2007-03-06 2008-09-12 Alembic Limited Processus de préparation de polysulfate de pentosane ou de ses sels

Also Published As

Publication number Publication date
WO2009087581A1 (fr) 2009-07-16

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