WO2011036680A3 - Improved process for preparation of (±)-1-(1-benzo[b]thien-2-ylethyl)-1-hydroxyurea - Google Patents

Improved process for preparation of (±)-1-(1-benzo[b]thien-2-ylethyl)-1-hydroxyurea Download PDF

Info

Publication number
WO2011036680A3
WO2011036680A3 PCT/IN2010/000640 IN2010000640W WO2011036680A3 WO 2011036680 A3 WO2011036680 A3 WO 2011036680A3 IN 2010000640 W IN2010000640 W IN 2010000640W WO 2011036680 A3 WO2011036680 A3 WO 2011036680A3
Authority
WO
WIPO (PCT)
Prior art keywords
ylethyl
thien
benzo
preparation
hydroxyurea
Prior art date
Application number
PCT/IN2010/000640
Other languages
French (fr)
Other versions
WO2011036680A2 (en
Inventor
Manne Satyanarayana Reddy
Sajja Eswaraiah
Komati Satyanarayana
Original Assignee
Msn Laboratories 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 Msn Laboratories Limited filed Critical Msn Laboratories Limited
Publication of WO2011036680A2 publication Critical patent/WO2011036680A2/en
Publication of WO2011036680A3 publication Critical patent/WO2011036680A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D333/52—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes
    • C07D333/54—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • C07D333/58—Radicals substituted by nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

An improved process for the preparation of (±)-1-(1-Benzo[b]thien-2-ylethyl)-1-hydroxyurea compound of formula (I).
PCT/IN2010/000640 2009-09-23 2010-09-22 Improved process for the preparation of (±)-1-(1-benzo[b]thien-2-ylethyl)-1-hydroxyurea WO2011036680A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN2307CH2009 2009-09-23
IN2307/CHE/2009 2009-09-23

Publications (2)

Publication Number Publication Date
WO2011036680A2 WO2011036680A2 (en) 2011-03-31
WO2011036680A3 true WO2011036680A3 (en) 2011-05-19

Family

ID=43796318

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2010/000640 WO2011036680A2 (en) 2009-09-23 2010-09-22 Improved process for the preparation of (±)-1-(1-benzo[b]thien-2-ylethyl)-1-hydroxyurea

Country Status (1)

Country Link
WO (1) WO2011036680A2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20080888A1 (en) * 2008-05-15 2009-11-16 Dipharma Francis Srl PROCEDURE FOR THE PREPARATION OF ZILEUTON

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20080888A1 (en) * 2008-05-15 2009-11-16 Dipharma Francis Srl PROCEDURE FOR THE PREPARATION OF ZILEUTON

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CHARD R. COPP ET AL.: "ACID-CATALYZED ADDITION OF N-HYDROXYUREA TO 1 -ARYL AL ALCOHOL DERIVATIVES: A NEW SYNTHESIS OF ZILEUTON", SYNTHETIC COMMUNICATIONS, vol. 31, no. 20, 2001, pages 3081 - 3086 *

Also Published As

Publication number Publication date
WO2011036680A2 (en) 2011-03-31

Similar Documents

Publication Publication Date Title
EP2457908B8 (en) Process for the Preparation of Compounds useful as inhibitors of SGLT
AU2011232516A8 (en) Chemical compounds
AU2009251815A8 (en) 5-substituted isoindoline compounds
WO2010150211A3 (en) Use of derivatives of indoles for the treatment of cancer
WO2008053334A3 (en) An improved process for preparing rosuvastatin calcium
WO2012075117A3 (en) Small molecule-polymer conjugates and methods of making same
WO2011157390A3 (en) Process for the preparation of substituted 3-(1-amino-2-methylpentane-3-yl)phenyl compounds
AU2009254929A8 (en) An improved process for the preparation of amines
WO2008075205A3 (en) Improved process for the preparation of voriconazole
MX2009010903A (en) Methods of preparing imidazole-based compounds.
WO2010015656A3 (en) Alkoxypyrazoles and the process for their preparation
WO2012054782A3 (en) Fluoroalkoxylation of organic compounds
WO2010039885A3 (en) Crystalline forms of dexlansoprazole
WO2010018441A3 (en) Process for the preparation of substantially pure telmisartan
WO2011146390A3 (en) Compositions and methods for in vivo imaging
IL212850A0 (en) Novel method for the preparation of granulates of active constituents, and granulates as obtained
WO2010029457A3 (en) An improved process for preparing losartan potassium
ZA201201715B (en) Process for the preparation of (1s,4r)-2-oxa-3-azabicyclo{[2,2.1]hept-5-enes
WO2009152474A3 (en) Process for the preparation of (3s)-3-amino-n-cyclopropyl-2-hydroxyalkanamide derivatives
AP2011005999A0 (en) Process for the preparation of olmesartan medoxomil.
WO2011036680A3 (en) Improved process for preparation of (±)-1-(1-benzo[b]thien-2-ylethyl)-1-hydroxyurea
WO2010008734A3 (en) Methods of Preparing Imidazole-Based Bicyclic Compounds
IN2012DN00346A (en)
EP2283010A4 (en) Process for preparing intermediate compound for synthesizing an antiulcerant
WO2010061402A3 (en) An improved process for the preparation of capecitabine

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10818505

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 10818505

Country of ref document: EP

Kind code of ref document: A2