Title:
AN IMPROVED PROCESS FOR THE PREPARATION OF PENTOSAN POLYSULFATE OR SALTS THEREOF
Document Type and Number:
WIPO Patent Application WO/2012/101544
Kind Code:
A1
Abstract:
The present invention relates to an improved process for the preparation of Pentosan polysulfate of formula (I) or salt thereof, wherein R represents -SO3Y, and Y is at least one member selected from the group consisting of H and a pharmaceutically acceptable cation such as sodium, potassium, and magnesium which provides in particular to a narrow distribution low molecular weight, highly sulfated Pentosan polysulfate (in this instance a Xylan).
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Inventors:
RAMAN JAYARAMAN VENKAT (IN)
PILLAI BIJUKUMAR GOPINATHAN (IN)
BALAJI SUNDARA KALYANA (IN)
PATEL HITESH (IN)
DHAMELIYA DHARMESH (IN)
JINJALA GOVIND (IN)
PILLAI BIJUKUMAR GOPINATHAN (IN)
BALAJI SUNDARA KALYANA (IN)
PATEL HITESH (IN)
DHAMELIYA DHARMESH (IN)
JINJALA GOVIND (IN)
Application Number:
PCT/IB2012/050213
Publication Date:
August 02, 2012
Filing Date:
January 17, 2012
Export Citation:
Assignee:
ALEMBIC PHARMACEUTICALS LTD (IN)
RAMAN JAYARAMAN VENKAT (IN)
PILLAI BIJUKUMAR GOPINATHAN (IN)
BALAJI SUNDARA KALYANA (IN)
PATEL HITESH (IN)
DHAMELIYA DHARMESH (IN)
JINJALA GOVIND (IN)
RAMAN JAYARAMAN VENKAT (IN)
PILLAI BIJUKUMAR GOPINATHAN (IN)
BALAJI SUNDARA KALYANA (IN)
PATEL HITESH (IN)
DHAMELIYA DHARMESH (IN)
JINJALA GOVIND (IN)
International Classes:
C08B37/14
Domestic Patent References:
| WO2010000013A1 | 2010-01-07 | |||
| WO2008107906A1 | 2008-09-12 |
Foreign References:
| US4699900A | 1987-10-13 | |||
| US2689848A | 1954-09-21 | |||
| US4713373A | 1987-12-15 |
Other References:
OFOSU F A ET AL: "2 Mechanisms of action of low molecular weight heparins and heparinoids", BAILLIERE'S CLINICAL HAEMATOLOGY, BAILLIERE TINDALL, LONDON, GB, vol. 3, no. 3, 1 July 1990 (1990-07-01), pages 505 - 529, XP026166376, ISSN: 0950-3536, [retrieved on 19900701], DOI: 10.1016/S0950-3536(05)80016-2
Attorney, Agent or Firm:
PATHAK, Alpesh (Patent CellAlembic Road, Gujarat, Vadodara 3, IN)
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Claims: