WO2013072935A3 - Process for the preparation of silodosin - Google Patents

Process for the preparation of silodosin Download PDF

Info

Publication number
WO2013072935A3
WO2013072935A3 PCT/IN2012/000670 IN2012000670W WO2013072935A3 WO 2013072935 A3 WO2013072935 A3 WO 2013072935A3 IN 2012000670 W IN2012000670 W IN 2012000670W WO 2013072935 A3 WO2013072935 A3 WO 2013072935A3
Authority
WO
WIPO (PCT)
Prior art keywords
silodosin
preparation
relates
microns
less
Prior art date
Application number
PCT/IN2012/000670
Other languages
French (fr)
Other versions
WO2013072935A2 (en
Inventor
Ashok Prasad
Shriprakash Dhar DWIVEDI
Niraj Kumar Shyamlal SHAH
Jitesh Amratlal DESAI
Original Assignee
Cadila Healthcare Limited
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 Cadila Healthcare Limited filed Critical Cadila Healthcare Limited
Publication of WO2013072935A2 publication Critical patent/WO2013072935A2/en
Publication of WO2013072935A3 publication Critical patent/WO2013072935A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04—Indoles; Hydrogenated indoles
    • C07D209/08—Indoles; Hydrogenated indoles with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to carbon atoms of the hetero ring

Abstract

The invention relates to a process for preparing silodosin. The invention relates to the preparation of substantially pure silodosin. The invention also relates to silodosin solid particles, wherein 90 volume-percent of the particles (D90) are less than 10 microns and a process for achieving the particle size (D90) less than 10 microns.
PCT/IN2012/000670 2011-10-10 2012-10-10 Process for the preparation of silodosin WO2013072935A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN2867MU2011 2011-10-10
IN2867/MUM/2011 2011-10-10

Publications (2)

Publication Number Publication Date
WO2013072935A2 WO2013072935A2 (en) 2013-05-23
WO2013072935A3 true WO2013072935A3 (en) 2013-10-10

Family

ID=47790287

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2012/000670 WO2013072935A2 (en) 2011-10-10 2012-10-10 Process for the preparation of silodosin

Country Status (1)

Country Link
WO (1) WO2013072935A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104230782A (en) * 2013-06-09 2014-12-24 昆明积大制药股份有限公司 Synthetic method of silodosin
ES2607639B1 (en) 2015-09-30 2018-02-28 Urquima, S.A Maleic acid salt of a silodosin intermediate

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002265444A (en) * 2001-03-08 2002-09-18 Kissei Pharmaceut Co Ltd 1-(3-benzyloxypropyl)-5-(2-substituted propyl) indoline derivative and method for using the same
WO2012062229A1 (en) * 2010-11-12 2012-05-18 Zentiva, K.S. A method of manufacturing (-)-l-(3-hydroxypropyl)-5-[(2r)-2-({2,2,2-trifluoroethoxy)- phenoxyethyl}amino)propyl]-2,3-dihydro-lh-indole-7-carboxamide

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69319551T2 (en) 1992-12-02 1998-10-29 Kissei Pharmaceutical Indoline compounds used to treat dysurias
UA78854C2 (en) 2002-09-06 2007-04-25 Kissei Pharmaceutical Crystal for an oral solid drug and oral solid drug for dysuria treatment containing the same
ES2362788T3 (en) 2004-10-27 2011-07-13 Kissei Pharmaceutical Co., Ltd. INDOLIN COMPOUND AND PROCESS FOR THE PRODUCTION OF THE SAME.
EP2475634B1 (en) 2009-09-12 2017-05-24 Sandoz AG Process for the preparation of indoline derivatives and their intermediates thereof
WO2011101864A1 (en) 2010-02-17 2011-08-25 Panacea Biotec Ltd Novel process for the synthesis of phenoxyethyl derivatives

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002265444A (en) * 2001-03-08 2002-09-18 Kissei Pharmaceut Co Ltd 1-(3-benzyloxypropyl)-5-(2-substituted propyl) indoline derivative and method for using the same
WO2012062229A1 (en) * 2010-11-12 2012-05-18 Zentiva, K.S. A method of manufacturing (-)-l-(3-hydroxypropyl)-5-[(2r)-2-({2,2,2-trifluoroethoxy)- phenoxyethyl}amino)propyl]-2,3-dihydro-lh-indole-7-carboxamide

Also Published As

Publication number Publication date
WO2013072935A2 (en) 2013-05-23

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