JP2013536217A5 - - Google Patents

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Publication number
JP2013536217A5
JP2013536217A5 JP2013525364A JP2013525364A JP2013536217A5 JP 2013536217 A5 JP2013536217 A5 JP 2013536217A5 JP 2013525364 A JP2013525364 A JP 2013525364A JP 2013525364 A JP2013525364 A JP 2013525364A JP 2013536217 A5 JP2013536217 A5 JP 2013536217A5
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JP
Japan
Prior art keywords
acid
salt
iii
methyl
benzonitrile
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP2013525364A
Other languages
English (en)
Japanese (ja)
Other versions
JP5958863B2 (ja
JP2013536217A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/GB2011/051611 external-priority patent/WO2012025762A2/en
Publication of JP2013536217A publication Critical patent/JP2013536217A/ja
Publication of JP2013536217A5 publication Critical patent/JP2013536217A5/ja
Application granted granted Critical
Publication of JP5958863B2 publication Critical patent/JP5958863B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2013525364A 2010-08-27 2011-08-26 純粋な中間体 Expired - Fee Related JP5958863B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IN2395/MUM/2010 2010-08-27
IN2395MU2010 2010-08-27
PCT/GB2011/051611 WO2012025762A2 (en) 2010-08-27 2011-08-26 Pure intermediate

Publications (3)

Publication Number Publication Date
JP2013536217A JP2013536217A (ja) 2013-09-19
JP2013536217A5 true JP2013536217A5 (enExample) 2014-10-09
JP5958863B2 JP5958863B2 (ja) 2016-08-02

Family

ID=44653355

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013525364A Expired - Fee Related JP5958863B2 (ja) 2010-08-27 2011-08-26 純粋な中間体

Country Status (7)

Country Link
US (1) US9150524B2 (enExample)
EP (1) EP2609087A2 (enExample)
JP (1) JP5958863B2 (enExample)
CN (1) CN103298795A (enExample)
CA (1) CA2809086A1 (enExample)
NZ (1) NZ607428A (enExample)
WO (1) WO2012025762A2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103664810B (zh) * 2013-12-11 2016-09-14 深圳劲创生物技术有限公司 一种合成来曲唑的工艺
CN117924195A (zh) * 2023-08-23 2024-04-26 中科帆凯(大连)新材料有限公司 一种制备纯的来曲唑中间体的方法
CN117285477A (zh) * 2023-09-04 2023-12-26 河南康达制药有限公司 一种来曲唑的合成工艺及其装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4978672A (en) 1986-03-07 1990-12-18 Ciba-Geigy Corporation Alpha-heterocyclc substituted tolunitriles
US4749713A (en) 1986-03-07 1988-06-07 Ciba-Geigy Corporation Alpha-heterocycle substituted tolunitriles
CN1325482C (zh) 2001-12-11 2007-07-11 埃默里大学 双(氰基苯基)甲基-三唑在预防乳腺癌中的用途
WO2004076409A2 (en) * 2003-02-06 2004-09-10 Sun Pharmaceutical Industries Limited Regiospecific process for the preparation of 4-[1- (4-cyanophenyl)-1-(1,2,4-triazol-1-yl)methyl]benzonitrile
AU2003282380A1 (en) * 2003-11-14 2004-06-06 ADIBHATLA, KALI,SATYA, Bhujanga,rao A method for the separation of the letrozole precursor 4-1-(1,2,4-triazolyl) methyl benzonitrile from its 1,3,4-triazolyl isomer
US20050209294A1 (en) 2004-03-17 2005-09-22 Wadhwa Lalit K Process for producing 4-(1H-1,2,4-triazol-1-ylmethyl)benzonitrile
CN100560573C (zh) * 2004-09-28 2009-11-18 北京德众万全医药科技有限公司 一种高纯度来曲唑的制备方法
CA2608904A1 (en) * 2005-07-06 2007-09-07 Sicor Inc. Improved process for the preparation of letrozole
WO2007039912A1 (en) 2005-10-05 2007-04-12 Usv Limited A one pot process for the preparation of 4-[1-cyanophenyl)-1-(1,2,4-triazol-1-yl)methyl]benzonitrile
WO2007054964A2 (en) 2005-10-20 2007-05-18 Cadila Healthcare Limited Process for the preparation of letrozole
WO2007090464A1 (en) 2006-02-08 2007-08-16 Solmag S.P.A. Process for preparing letrozole
US8003804B2 (en) 2006-03-17 2011-08-23 Cipla Limited Synthesis of 4-[1-(4-cyano phenyl)-(1,2,4-triazol-1-yl)methyl] benzonitrile and 4-[1-(1H-1,2,4-triazol-1-yl)methylene benzonitrile intermediate
WO2007144896A1 (en) 2006-06-13 2007-12-21 Natco Pharma Limited A method of manufacture of letrozole
CN101033214B (zh) * 2006-07-06 2011-05-18 上海复旦复华药业有限公司 来曲唑的制备方法
US8198460B2 (en) 2007-11-28 2012-06-12 Fresenius Kabi Oncology Ltd. Process for preparation of letrozole and its intermediates
WO2010146391A1 (en) 2009-06-15 2010-12-23 Generics [Uk] Limited Regioselective synthesis of letrozole
WO2011000396A1 (en) 2009-07-02 2011-01-06 Synthon B.V. Purification of letrozole intermediate

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