ZA200402622B - Production of keto acids - Google Patents

Production of keto acids Download PDF

Info

Publication number
ZA200402622B
ZA200402622B ZA200402622A ZA200402622A ZA200402622B ZA 200402622 B ZA200402622 B ZA 200402622B ZA 200402622 A ZA200402622 A ZA 200402622A ZA 200402622 A ZA200402622 A ZA 200402622A ZA 200402622 B ZA200402622 B ZA 200402622B
Authority
ZA
South Africa
Prior art keywords
aminophenol
carbon atoms
phthalic anhydride
reaction
cycloalkyl
Prior art date
Application number
ZA200402622A
Other languages
English (en)
Inventor
Jonathan Campbell
John Henshall
James P Taylor
John Whitworth
Original Assignee
Ciba Sc Holding Ag
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 Ciba Sc Holding Ag filed Critical Ciba Sc Holding Ag
Publication of ZA200402622B publication Critical patent/ZA200402622B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/02Formation of carboxyl groups in compounds containing amino groups, e.g. by oxidation of amino alcohols
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/323Organic colour formers, e.g. leuco dyes
    • B41M5/327Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • B41M5/3275Fluoran compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA200402622A 2001-10-26 2004-04-02 Production of keto acids ZA200402622B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01811051 2001-10-26

Publications (1)

Publication Number Publication Date
ZA200402622B true ZA200402622B (en) 2006-05-31

Family

ID=8184215

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200402622A ZA200402622B (en) 2001-10-26 2004-04-02 Production of keto acids

Country Status (10)

Country Link
US (1) US20040242891A1 (pt)
EP (1) EP1442009A1 (pt)
JP (1) JP2005507416A (pt)
CN (1) CN1301962C (pt)
BR (1) BR0213487A (pt)
CA (1) CA2463156A1 (pt)
IL (1) IL161288A0 (pt)
MX (1) MXPA04003693A (pt)
WO (1) WO2003037846A1 (pt)
ZA (1) ZA200402622B (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10319450A1 (de) * 2003-04-30 2004-11-18 Boehringer Ingelheim Pharma Gmbh & Co. Kg Pharmazeutische Formulierung des Telmisartan Natriumsalzes
US9029363B2 (en) 2003-04-30 2015-05-12 Boehringer Ingelheim International Gmbh Telmisartan sodium salt pharmaceutical formulation
CN102503847B (zh) * 2011-10-26 2015-09-16 河北建新化工股份有限公司 二苯酮酸类化合物的制备方法
CN106349091A (zh) * 2016-08-30 2017-01-25 沈阳化工大学 一种熔融态合成2‑(4‑二乙氨基‑2‑羟基苯甲酰基)苯甲酸的方法
WO2018228981A1 (en) * 2017-06-14 2018-12-20 Sabic Global Technologies B.V. Process for mono n-alkylation of aminophenol
CN109946353A (zh) * 2018-11-08 2019-06-28 利多(香港)有限公司 电势型生物传感器和检测方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE87068C (pt) *
GB2014629A (en) * 1978-02-16 1979-08-30 Ciba Geigy Ag Pressure-sensitive Recording Material
JP3501816B2 (ja) * 1991-04-25 2004-03-02 三井化学株式会社 ケト酸の製造方法
US5371285A (en) * 1991-04-25 1994-12-06 Mitsui Petrochemical Industries, Ltd. Method of producing keto acids
ES2105191T3 (es) * 1992-03-17 1997-10-16 Ciba Geigy Ag Compuestos cromogenos de fluorano.
GB9700375D0 (en) * 1997-01-09 1997-02-26 Ciba Geigy Ag Purification process
WO2000026037A1 (en) * 1998-10-30 2000-05-11 Ciba Specialty Chemicals Holding Inc. Heat sensitive recording material

Also Published As

Publication number Publication date
CN1575274A (zh) 2005-02-02
EP1442009A1 (en) 2004-08-04
CN1301962C (zh) 2007-02-28
JP2005507416A (ja) 2005-03-17
IL161288A0 (en) 2004-09-27
BR0213487A (pt) 2004-11-03
US20040242891A1 (en) 2004-12-02
WO2003037846A1 (en) 2003-05-08
CA2463156A1 (en) 2003-05-08
MXPA04003693A (es) 2004-07-30

Similar Documents

Publication Publication Date Title
ZA200402622B (en) Production of keto acids
KR100235808B1 (ko) 케토산의 제조방법
CN109068653A (zh) 制备4-烷氧基-3-羟基吡啶甲酸的方法
KR100656636B1 (ko) 6-메틸-2-(4-메틸-페닐)-이미다조[1,2-a]피리딘-3-(N,N-디메틸-아세트아미드) 및 중간체의 제조 방법
US5371285A (en) Method of producing keto acids
AU2002350562A1 (en) Production of keto acids
KR100559186B1 (ko) 케토산의제조방법
EP0649836B1 (en) N-(long-chain acyl)amino nitrile and process for the preparation thereof
EP0343597B1 (en) Preparation of tris (2-cyanoethyl) amine
JP2982259B2 (ja) N―置換マレイミドの製造法
KR100549354B1 (ko) 케토산의정제방법
KR0152585B1 (ko) 6-클로로-2,4-디니트로아닐린의 제조방법
US5354876A (en) Preparation and purification of 1-amino-2-phenoxy-4-hydroxyanthraquinone
US5581009A (en) Process for crystallization of L-phenylalanine monomethyl sulfate using added salt
CN112062723B (zh) 一种噻菌灵中间体的制备方法
US5371224A (en) Process for preparing 2,5-dibromopyrimidine
EP0278614B1 (en) A process for producing fluorene compounds
US3682928A (en) Production of 2,4-dihydroxyquinoline
US6649758B2 (en) Preparation of trans-thiazineindigo pigments
CN112094247A (zh) 头孢菌素类药物中间体及其合成方法
JPH07196610A (ja) 5−クロロ−2−オキシンドールの製造法
US6420606B1 (en) Method for producing alkoxy arylamine compounds
CN112759561A (zh) 2-氨基-5-(n,n`-二异丙基)氨基-1,3,4-噻二唑的制备方法
JPH1067745A (ja) 3−アミノ−2−(p−ヒドロキシフェニルアミノ)ピリジンの製造法
PL150312B2 (en) Method for producing pyridon derivatives