WO2006117662A3 - Polymorphic forms of (r)-(-)-tamsulosin - Google Patents

Polymorphic forms of (r)-(-)-tamsulosin Download PDF

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Publication number
WO2006117662A3
WO2006117662A3 PCT/IB2006/001152 IB2006001152W WO2006117662A3 WO 2006117662 A3 WO2006117662 A3 WO 2006117662A3 IB 2006001152 W IB2006001152 W IB 2006001152W WO 2006117662 A3 WO2006117662 A3 WO 2006117662A3
Authority
WO
WIPO (PCT)
Prior art keywords
tamsulosin
polymorphic forms
relates
preparation
compositions
Prior art date
Application number
PCT/IB2006/001152
Other languages
French (fr)
Other versions
WO2006117662A2 (en
Inventor
Kiran Kumar Gangakhedkar
Original Assignee
Ranbaxy Lab Ltd
Kiran Kumar Gangakhedkar
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 Ranbaxy Lab Ltd, Kiran Kumar Gangakhedkar filed Critical Ranbaxy Lab Ltd
Publication of WO2006117662A2 publication Critical patent/WO2006117662A2/en
Publication of WO2006117662A3 publication Critical patent/WO2006117662A3/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
    • C07C311/30—Sulfonamides, the carbon skeleton of the acid part being further substituted by singly-bound nitrogen atoms, not being part of nitro or nitroso groups
    • C07C311/37—Sulfonamides, the carbon skeleton of the acid part being further substituted by singly-bound nitrogen atoms, not being part of nitro or nitroso groups having the sulfur atom of at least one of the sulfonamide groups bound to a carbon atom of a six-membered aromatic ring

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention relates to processes for the preparation of polymorphic forms of (R)-(-)- tamsulosin. More particularly, it relates to the preparation of polymorphic forms of (R)-(-)- tamsulosin designated as Form I and II. The invention also relates to pharmaceutical compositions that include the Form I and Form II and use of the compositions for treating signs and symptoms of benign prostrate hyperplasia.
PCT/IB2006/001152 2005-05-03 2006-05-03 Polymorphic forms of (r)-(-)-tamsulosin WO2006117662A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN1106/DEL/2005 2005-05-03
IN1106DE2005 2005-05-03

Publications (2)

Publication Number Publication Date
WO2006117662A2 WO2006117662A2 (en) 2006-11-09
WO2006117662A3 true WO2006117662A3 (en) 2007-01-04

Family

ID=36763049

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/001152 WO2006117662A2 (en) 2005-05-03 2006-05-03 Polymorphic forms of (r)-(-)-tamsulosin

Country Status (1)

Country Link
WO (1) WO2006117662A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112142627A (en) * 2019-12-31 2020-12-29 北京鑫开元医药科技有限公司 Preparation method of tamsulosin hydrochloride crystal form

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003035608A1 (en) * 2001-10-25 2003-05-01 Leciva, A.S. A method of the preparation of (r)-(-)-5`2-`2-(2-ethoxyphenoxy) ethylamino! propyl!-2-methoxybenzenesulphonamide (tamsulosin)
WO2003037851A1 (en) * 2001-10-31 2003-05-08 Synthon B.V. Racemic tamsulosin free base and methods of making the same
WO2005089511A2 (en) * 2004-03-19 2005-09-29 Transform Pharmaceuticals, Inc. Novel pharmaceutical forms, and methods of making and using the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003035608A1 (en) * 2001-10-25 2003-05-01 Leciva, A.S. A method of the preparation of (r)-(-)-5`2-`2-(2-ethoxyphenoxy) ethylamino! propyl!-2-methoxybenzenesulphonamide (tamsulosin)
WO2003037851A1 (en) * 2001-10-31 2003-05-08 Synthon B.V. Racemic tamsulosin free base and methods of making the same
WO2005089511A2 (en) * 2004-03-19 2005-09-29 Transform Pharmaceuticals, Inc. Novel pharmaceutical forms, and methods of making and using the same

Also Published As

Publication number Publication date
WO2006117662A2 (en) 2006-11-09

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