Global Patent Index - EP 3250568 A4

EP 3250568 A4 20180801 - AN IMPROVED PROCESS FOR THE PREPARATION OF LINEZOLID

Title (en)

AN IMPROVED PROCESS FOR THE PREPARATION OF LINEZOLID

Title (de)

VERBESSERTES VERFAHREN ZUR HERSTELLUNG VON LINEZOLID

Title (fr)

PROCÉDÉ PERFECTIONNÉ POUR LA PRÉPARATION DE LINÉZOLIDE

Publication

EP 3250568 A4 20180801 (EN)

Application

EP 16876979 A 20160523

Priority

  • IN 201641013830 A 20160421
  • IB 2016053003 W 20160523

Abstract (en)

[origin: WO2017182853A1] The present invention relates to an improved process for the preparation of Linezolid. More specifically, the present invention relates to an improved process for preparing(S)-N-[[3-[3-fluoro-4-[4-morpholinyl]phenyl]-2-oxo-5-oxazolidinyl]methyl] phthalimide and (S)-glycidyl phthalimide intermediates, which are used in the preparation of Linezolid.

IPC 8 full level

C07D 263/00 (2006.01); C07D 263/20 (2006.01)

CPC (source: EP RU)

C07D 263/20 (2013.01 - EP RU); C07D 405/06 (2013.01 - EP); C07D 413/06 (2013.01 - EP RU)

Citation (search report)

  • [X] SRINIVAS REDDY DESI REDDY ET AL: "An Improved Process for Preparation of Linezolid", 19 June 2015 (2015-06-19), XP055487000, Retrieved from the Internet <URL:http://ipindiaservices.gov.in/PublicSearch/PublicationSearch/PatentDetails> [retrieved on 20180622] & SRINIVAS REDDY DESI REDDY ET AL: "An Improved Process for the Preparation of Linezolid / Description", 19 June 2015 (2015-06-19), XP055486819, Retrieved from the Internet <URL:http://ipindiaservices.gov.in/PatentSearch/PatentSearch/ViewPDF> [retrieved on 20180621] & SRINIVAS REDDY DESI REDDY ET AL: "AN IMPROVED PROCESS FOR PREPARATION OF LINEZOLID /claims", IN5865/CHE/2013, 19 June 2015 (2015-06-19), XP055487085, Retrieved from the Internet <URL:http://ipindiaservices.gov.in/PatentSearch/PatentSearch/ViewPDF> [retrieved on 20180622]
  • See references of WO 2017182853A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2017182853 A1 20171026; AU 2016403208 A1 20180510; AU 2016403208 B2 20181025; EP 3250568 A1 20171206; EP 3250568 A4 20180801; KR 101832115 B1 20180223; KR 20170128485 A 20171122; NZ 741891 A 20200529; RU 2766082 C1 20220207; RU 2766082 C9 20220222

DOCDB simple family (application)

IB 2016053003 W 20160523; AU 2016403208 A 20160523; EP 16876979 A 20160523; KR 20177029421 A 20160523; NZ 74189116 A 20160523; RU 2018109135 A 20160523