HK1043131A1 - 製備苯並噁嗪衍化物及其媒介物的過程 - Google Patents

製備苯並噁嗪衍化物及其媒介物的過程

Info

Publication number
HK1043131A1
HK1043131A1 HK02105100.4A HK02105100A HK1043131A1 HK 1043131 A1 HK1043131 A1 HK 1043131A1 HK 02105100 A HK02105100 A HK 02105100A HK 1043131 A1 HK1043131 A1 HK 1043131A1
Authority
HK
Hong Kong
Prior art keywords
preparation
intermediates therefor
benzoxazine derivatives
benzoxazine
derivatives
Prior art date
Application number
HK02105100.4A
Other languages
English (en)
Other versions
HK1043131B (zh
Inventor
Kouji Sato
Yoshihiro Takayanagi
Katsuhiko Okano
Keiji Nakayama
Akihiro Imura
Mikihiro Itoh
Tsutomu Yagi
Yukinari Kobayashi
Tomoyuki Nagai
Original Assignee
Daiichi Sankyo Co Ltd
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 Daiichi Sankyo Co Ltd filed Critical Daiichi Sankyo Co Ltd
Publication of HK1043131A1 publication Critical patent/HK1043131A1/zh
Publication of HK1043131B publication Critical patent/HK1043131B/zh

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D498/00Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D498/02Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
    • C07D498/06Peri-condensed systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04Antibacterial agents
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B57/00Separation of optically-active compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C213/00Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/04Formation of amino groups in compounds containing carboxyl groups
    • C07C227/06Formation of amino groups in compounds containing carboxyl groups by addition or substitution reactions, without increasing the number of carbon atoms in the carbon skeleton of the acid
    • C07C227/08Formation of amino groups in compounds containing carboxyl groups by addition or substitution reactions, without increasing the number of carbon atoms in the carbon skeleton of the acid by reaction of ammonia or amines with acids containing functional groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/30Preparation of optical isomers
    • C07C227/34Preparation of optical isomers by separation of optical isomers
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/36Racemisation of optical isomers
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C229/00Compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C229/02Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
    • C07C229/04Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
    • C07C229/06Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton
    • C07C229/18Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton the nitrogen atom of the amino group being further bound to carbon atoms of six-membered aromatic rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C229/00Compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C229/02Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
    • C07C229/30Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and unsaturated
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D265/00Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
    • C07D265/281,4-Oxazines; Hydrogenated 1,4-oxazines
    • C07D265/341,4-Oxazines; Hydrogenated 1,4-oxazines condensed with carbocyclic rings
    • C07D265/361,4-Oxazines; Hydrogenated 1,4-oxazines condensed with carbocyclic rings condensed with one six-membered ring
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P13/00Preparation of nitrogen-containing organic compounds
    • C12P13/001Amines; Imines
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P13/00Preparation of nitrogen-containing organic compounds
    • C12P13/02Amides, e.g. chloramphenicol or polyamides; Imides or polyimides; Urethanes, i.e. compounds comprising N-C=O structural element or polyurethanes
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P13/00Preparation of nitrogen-containing organic compounds
    • C12P13/04Alpha- or beta- amino acids
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P41/00Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture
    • C12P41/003Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture by ester formation, lactone formation or the inverse reactions
    • C12P41/005Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture by ester formation, lactone formation or the inverse reactions by esterification of carboxylic acid groups in the enantiomers or the inverse reaction
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00Indexing scheme relating to specific properties of organic compounds
    • C07B2200/07Optical isomers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Analytical Chemistry (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Communicable Diseases (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Oncology (AREA)
  • Veterinary Medicine (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
HK02105100.4A 1999-09-08 2002-07-09 製備苯並噁嗪衍化物及其媒介物的過程 HK1043131B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP25395899 1999-09-08
JP27801999 1999-09-30
JP2000239256 2000-08-08
JP2000239262 2000-08-08
PCT/JP2000/006094 WO2001018005A1 (fr) 1999-09-08 2000-09-07 Procede de preparation de derives de benzoxazine et de leurs intermediaires

Publications (2)

Publication Number Publication Date
HK1043131A1 true HK1043131A1 (zh) 2002-09-06
HK1043131B HK1043131B (zh) 2014-08-29

Family

ID=27478308

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02105100.4A HK1043131B (zh) 1999-09-08 2002-07-09 製備苯並噁嗪衍化物及其媒介物的過程

Country Status (12)

Country Link
US (3) US6872823B1 (zh)
EP (4) EP2360160B1 (zh)
JP (5) JP4302350B2 (zh)
KR (3) KR100947758B1 (zh)
CN (2) CN100537519C (zh)
AU (1) AU6873700A (zh)
CA (3) CA2660917C (zh)
ES (4) ES2472240T3 (zh)
HK (1) HK1043131B (zh)
NO (2) NO329330B1 (zh)
TW (1) TWI254048B (zh)
WO (1) WO2001018005A1 (zh)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100537519C (zh) * 1999-09-08 2009-09-09 第一三共株式会社 制备苯并嗪衍生物用中间体及其制备方法
DE60215213T3 (de) * 2001-10-03 2010-07-01 Teva Pharmaceutical Industries Ltd. Herstellung von levofloxacin-hemihydrat
US7425628B2 (en) * 2001-10-03 2008-09-16 Teva Pharmaceutical Industries Ltd. Methods for the purification of levofloxacin
US20090156577A1 (en) * 2004-09-09 2009-06-18 Benjamin Davis 7-amino alkylidenyl-heterocyclic quinolones and naphthyridones
CN100580009C (zh) * 2005-12-31 2010-01-13 四川东材科技集团股份有限公司 一种含硼苯并恶嗪树脂的制备方法
US7902227B2 (en) 2007-07-27 2011-03-08 Janssen Pharmaceutica Nv. C-7 isoxazolinyl quinolone / naphthyridine derivatives useful as antibacterial agents
CN101659669B (zh) * 2009-09-04 2011-07-20 诚达药业股份有限公司 左旋氧氟沙星的制备方法
CN101768167B (zh) * 2010-01-15 2012-07-04 浙江东亚药业有限公司 左氧氟沙星的缩哌合成方法
CN101836993B (zh) 2010-05-20 2011-06-22 山东大学 2,3-二氢-3-羟甲基-6-氨基-[1,4]-苯并噁嗪在制备诱导胚胎干细胞向血管内皮细胞分化药物中的应用
EP2601524B1 (en) 2010-08-05 2014-06-25 Koninklijke Philips N.V. Cardiomyocyte containing device, manufacturing method and measuring method
CN103360409B (zh) * 2012-04-06 2016-02-10 天方药业有限公司 氧氟羧酸制备方法
JP6444376B2 (ja) * 2013-04-30 2018-12-26 スリーエム イノベイティブ プロパティズ カンパニー ポリ(ベンゾオキサジン)を調製するための方法
WO2016209063A2 (ko) * 2015-06-25 2016-12-29 고려대학교 산학협력단 평균 밀도 조절이 가능한 구조체 및 이를 이용한 물질 전환 및 선택적 결합 공정
US20180324298A1 (en) * 2017-05-08 2018-11-08 T-Mobile Usa, Inc. Network-controlled personal number handling
CN112877217B (zh) * 2020-12-10 2022-04-15 贵州大学 一种黄褐奈尼兹皮真菌菌株及其降解鸡毛中的用途

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56417B2 (zh) * 1973-07-05 1981-01-08
JPS5829789A (ja) 1981-08-17 1983-02-22 Dai Ichi Seiyaku Co Ltd ピリドベンズオキサジン誘導体
JPS5872588A (ja) * 1981-10-27 1983-04-30 Dai Ichi Seiyaku Co Ltd ピリド〔1,2,3−de〕−1,4−ベンゾオキサジン誘導体の製造法
JPH0720946B2 (ja) 1985-10-11 1995-03-08 第一製薬株式会社 光学活性3−メチルベンゾオキサジン誘導体およびその製法
ZA864518B (en) 1985-06-20 1987-03-25 Daiichi Seiyaku Co Optically active pyridobenzoxazine derivatives and intermediates thereof
DK170473B1 (da) * 1985-06-20 1995-09-11 Daiichi Seiyaku Co S(-)-pyridobenzoxazinforbindelser
JP2573269B2 (ja) 1986-12-25 1997-01-22 第一製薬株式会社 光学活性ベンゾオキサジン
NO172846C (no) 1987-12-25 1993-09-15 Daiichi Seiyaku Co Fremgangsmaate for fremstilling av 7,8-dihalogen-3-metyl-2,3-dihydro-2m-benzoksazinderivater og propoksybenzenderivater for utoevelse av fremgangsmaaten.
JP2612327B2 (ja) 1987-12-25 1997-05-21 第一製薬株式会社 プロポキシベンゼン誘導体およびその製法
JP2769174B2 (ja) 1987-12-28 1998-06-25 第一製薬株式会社 縮合オキサジンの製法
ES2014560A6 (es) * 1988-12-30 1990-07-16 Marga Investigacion Proceso para la preparacion de un nuevo reactivo organo-sililpolifosforico y su aplicacion al proceso de sontesis de 3-carboxi-quinolonas o azaquinolonas y sus sales.
JP2771871B2 (ja) 1989-12-13 1998-07-02 第一製薬株式会社 光学活性プロポキシベンゼン誘導体の製法
KR920004385A (ko) * 1990-08-09 1992-03-27 와꾸나가 기스께 신규 삼환화합물 또는 그의 염, 이의 제조방법 및 이를 함유하는 항균제
DK0508307T3 (da) * 1991-04-08 1995-12-27 Sumitomo Chemical Co Optisk aktive sekundære aminforbindelser, fremgangsmåde til fremstilling af en optisk aktiv sekundær aminforbindelse og fremgangsmåde til fremstilling af en optisk aktiv carboxylsyre ved anvendelse af denne forbindelse
CA2125287A1 (en) * 1992-10-07 1994-04-14 Juan Carlos Carretero Gonzalvez Process to obtain benzoxazines to be used for the synthesis of ofloxazine, levofloxazine and derivatives
CN1066136C (zh) * 1994-07-21 2001-05-23 中国医药研究开发中心 吡啶并苯并噁嗪衍生物的中间体及其制备方法
US5644056A (en) * 1995-06-07 1997-07-01 Hoechst Celanese Corporation Method of preparing 7,8-difluoro-2,3-dihydro-3-methyl-4H-1, 4-benzoxazine
AU5585198A (en) * 1996-11-22 1998-06-10 Athena Pharmaceuticals, Inc. N-(aryl/heteroaryl) amino acid esters, pharmaceutical compositions, and ethods for inhibiting beta-amyloid peptide release and/or its synthesis
CN100537519C (zh) * 1999-09-08 2009-09-09 第一三共株式会社 制备苯并嗪衍生物用中间体及其制备方法

Also Published As

Publication number Publication date
KR100947758B1 (ko) 2010-03-18
CA2660917A1 (en) 2001-03-15
KR20090077024A (ko) 2009-07-13
JP2009221209A (ja) 2009-10-01
EP1211254A1 (en) 2002-06-05
JP2009167202A (ja) 2009-07-30
EP2218722A2 (en) 2010-08-18
EP1211254B1 (en) 2014-05-07
EP1211254A4 (en) 2006-05-03
EP2218722B9 (en) 2013-06-19
EP2360160B1 (en) 2013-07-24
WO2001018005A8 (fr) 2001-05-25
ES2458545T3 (es) 2014-05-06
CA2380359A1 (en) 2001-03-15
JP4358296B2 (ja) 2009-11-04
ES2472240T3 (es) 2014-06-30
NO329330B1 (no) 2010-09-27
CA2685440C (en) 2011-11-15
KR20020035867A (ko) 2002-05-15
US20060014947A1 (en) 2006-01-19
CN1532181A (zh) 2004-09-29
EP2284174B1 (en) 2014-03-05
JP5106478B2 (ja) 2012-12-26
AU6873700A (en) 2001-04-10
US7189847B2 (en) 2007-03-13
CN100537519C (zh) 2009-09-09
ES2409383T3 (es) 2013-06-26
KR20090123026A (ko) 2009-12-01
NO20021124L (no) 2002-05-08
NO20100667L (no) 2002-05-08
EP2218722A3 (en) 2011-05-11
CA2660917C (en) 2012-01-03
JP4302350B2 (ja) 2009-07-22
TWI254048B (en) 2006-05-01
KR100954299B1 (ko) 2010-04-23
KR100914396B1 (ko) 2009-08-31
CA2685440A1 (en) 2001-03-15
CA2380359C (en) 2011-11-29
CN1195759C (zh) 2005-04-06
US6872823B1 (en) 2005-03-29
EP2284174A1 (en) 2011-02-16
EP2218722B1 (en) 2013-03-13
NO330090B1 (no) 2011-02-14
EP2360160A1 (en) 2011-08-24
ES2424813T3 (es) 2013-10-08
US7087778B2 (en) 2006-08-08
HK1043131B (zh) 2014-08-29
JP2009235077A (ja) 2009-10-15
JP5149238B2 (ja) 2013-02-20
NO20021124D0 (no) 2002-03-06
JP2009173665A (ja) 2009-08-06
US20050027119A1 (en) 2005-02-03
WO2001018005A1 (fr) 2001-03-15
JP4358295B2 (ja) 2009-11-04
CN1379779A (zh) 2002-11-13

Similar Documents

Publication Publication Date Title
HK1089447A1 (en) A process for the preparation of 2-aminocarbonyl-9h-purine derivatives and the intermediates thereof
HUP0004388A3 (en) Process for the preparation of oxazolidinones, intermediates and preparation thereof
GB0106310D0 (en) Process for the preparation of ethyl acetate
NO20100667L (no) Fremgangsmate for fremstilling av mellomprodukter av benzoksazinderivater
HUP0101375A3 (en) Novel cephalotaxane derivatives, process for their preparation and intermediates
IL146579A0 (en) Process for the preparation of herbicidal derivatives
SG118060A1 (en) Process for preparation of pyrazoloÄ4,3-dÜpyrimidin-7-ones and intermediates thereof
IL152580A0 (en) Process for the preparation of indole derivatives and intermediates of the process
HUP0000524A3 (en) Process for the preparation of thiazole derivatives, intermediates and preparation thereof
EP1231215A4 (en) PROCESS FOR PRODUCING ASPARTYLDIPEPTIDE ESTER DERIVATIVES, NOVEL MATCHING INTERMEDIATES AND PROCESS FOR PRODUCING SUCH INTERMEDIATES
HU0003979D0 (en) Process for the preparation of 3-pyridylsulphonil-pyrazolo[4,3-d] pyrimidin-7-one derivatives and intermediates thereof
GB2363605B (en) Process for the preparation of alpha-aminoketone derivatives
HUP0202819A3 (en) Process for the preparation of thiazole derivatives and the new intermediates
HUP9900739A3 (en) Process for the preparation of quinoline derivatives, and the intermediates
AU2001232342A1 (en) Processes for preparing quinoline derivatives and intermediates thereof
AU2662900A (en) One-pot process for the preparation of 5-sulfonyl-substituted benzotriazoles
HUP0203384A3 (en) Process for the preparation of ketimines
IL138691A (en) Process for the preparation of 3-acyl-indoles
HUP0202865A3 (en) Process for the preparation of 2-cyanopyridines
HUP0203382A3 (en) Process for the preparation of ketimines
HUP0105049A3 (en) Novel derivatives from the class of oleandomycin, process for their preparation and their intermediates
AU5415900A (en) Process for the preparation of butoxycarbonylimino compounds and intermediates therefor
PL373972A1 (en) Process for the preparation of morpholine derivatives and intermediates therefore
EP1081157A4 (en) METHODS FOR PREPARING STEROID DERIVATIVES, INTERMEDIATES THEREOF, AND METHODS FOR PREPARING THE SAME
HK1023337A1 (en) Process for the preparation of cyclopropylacetylene derivatives

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20170907