ZA981933B - Chemical process - Google Patents

Chemical process

Info

Publication number
ZA981933B
ZA981933B ZA981933A ZA981933A ZA981933B ZA 981933 B ZA981933 B ZA 981933B ZA 981933 A ZA981933 A ZA 981933A ZA 981933 A ZA981933 A ZA 981933A ZA 981933 B ZA981933 B ZA 981933B
Authority
ZA
South Africa
Prior art keywords
alkyl
reaction
oxadiazol
ester
anhydride
Prior art date
Application number
ZA981933A
Other languages
English (en)
Inventor
Philip John Hogan
Original Assignee
Zeneca 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 Zeneca Ltd filed Critical Zeneca Ltd
Publication of ZA981933B publication Critical patent/ZA981933B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Catalysts (AREA)
ZA981933A 1997-03-07 1998-03-06 Chemical process ZA981933B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9704762.5A GB9704762D0 (en) 1997-03-07 1997-03-07 Chemical process

Publications (1)

Publication Number Publication Date
ZA981933B true ZA981933B (en) 1998-09-07

Family

ID=10808874

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA981933A ZA981933B (en) 1997-03-07 1998-03-06 Chemical process

Country Status (12)

Country Link
US (2) US6531605B1 (pt)
EP (1) EP0973704B1 (pt)
JP (1) JP4046360B2 (pt)
AT (1) ATE278651T1 (pt)
AU (1) AU6630098A (pt)
DE (1) DE69826845T2 (pt)
DK (1) DK0973704T3 (pt)
ES (1) ES2227807T3 (pt)
GB (1) GB9704762D0 (pt)
PT (1) PT973704E (pt)
WO (1) WO1998040332A1 (pt)
ZA (1) ZA981933B (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003040087A1 (en) * 2001-11-06 2003-05-15 Wyeth Process for the preparation of 2-[alkyl(aryl)]sulfonylbenzene-sulfonyl chlorides and their intermediates
GB0219660D0 (en) 2002-08-23 2002-10-02 Astrazeneca Ab Therapeutic use
GB0403744D0 (en) * 2004-02-20 2004-03-24 Astrazeneca Ab Chemical process
US7625895B2 (en) * 2007-04-12 2009-12-01 Hoffmann-Le Roche Inc. Diphenyl-dihydro-imidazopyridinones
ES2511917T3 (es) 2008-12-29 2014-10-23 Sanofi Derivados de 2-piridin-2-il-pirazol-3(2H)-ona, su preparación y su aplicación en terapéutica
US20120309796A1 (en) 2011-06-06 2012-12-06 Fariborz Firooznia Benzocycloheptene acetic acids
CN102491973A (zh) * 2011-12-15 2012-06-13 南京友杰医药科技有限公司 Zd-4054的合成方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE859461C (de) * 1942-12-02 1952-12-15 Bayer Ag Verfahren zur Darstellung von aromatischen Sulfonsaeurehalogeniden
CH590830A5 (pt) * 1973-02-20 1977-08-31 Hoechst Ag
US4714700A (en) * 1982-04-20 1987-12-22 Choay S.A. N-substituted 2,4-dialkoxy benzenesulfonamides and pharmaceutical compositions
UA58494C2 (uk) * 1995-06-07 2003-08-15 Зенека Лімітед Похідні n-гетероарилпіридинсульфонаміду, фармацевтична композиція, спосіб одержання та спосіб протидії впливам ендотеліну

Also Published As

Publication number Publication date
JP2001514648A (ja) 2001-09-11
DE69826845D1 (de) 2004-11-11
DK0973704T3 (da) 2005-01-17
WO1998040332A1 (en) 1998-09-17
US6943254B2 (en) 2005-09-13
EP0973704B1 (en) 2004-10-06
AU6630098A (en) 1998-09-29
US20030162973A1 (en) 2003-08-28
DE69826845T2 (de) 2006-03-09
JP4046360B2 (ja) 2008-02-13
US6531605B1 (en) 2003-03-11
PT973704E (pt) 2005-01-31
EP0973704A1 (en) 2000-01-26
GB9704762D0 (en) 1997-04-23
ES2227807T3 (es) 2005-04-01
ATE278651T1 (de) 2004-10-15

Similar Documents

Publication Publication Date Title
EG20931A (en) Process for preparing aromatic carboxylic acids with efficient energy recovery
GB9704762D0 (en) Chemical process
MX9603731A (es) Separacion por rectificacion de acidos carboxidos no saturados a partir de solventes.
GR3035865T3 (en) Process for preparation of 5-hydroxymethylthiazole
ZA99814B (en) Process for preparing 2-acetylthio-3-phenyl-propionic acid and the salts thereof.
YU48186B (sh) Katalitički sistem hidrohlorovanja i postupak za proizvodnju vinilhlorida reagovanjem acetilena i vodonikhlorida u prisustvu katalitičkog sistema
CA2022381A1 (en) Process for preparing n-alkyl-substituted aminophenols
CA2131474A1 (en) Preparation of hydroxyoxaalkylmelamines
ES2020145A6 (es) Procedimiento de obtencion de esteres del acido 2-(2,6-diclorofenil)amino) fenilacetoxiacetico.
LV10504B (en) Microbiological process for hydroxylation of heterocyclic carboxylic acid
EP0304495A4 (en) METHOD FOR SELECTIVE MONOHYDROESTERIFICATION OF DIOLEFINES.
CA2063979A1 (en) Process for the preparation of alkanesulfonylbenzoic acids
SI0757036T1 (en) Process for the preparation of N-alkyl substituted metal carbamate solutions
PL337906A1 (en) Method of obtaining derivatives of 2-alkyl thiobenzoic acid
CA2339826A1 (en) Process for the production of n-protected azetidine-2-carboxylic acids (azeohs)
ES2020146A6 (es) Procedimiento de obtencion del acido 2-(2, 6-diclorofenil)amino) fenilacetoxiacetico.
DE3265526D1 (en) Process for the preparation of 1h-pyrrole-2-acetic esters
ES8106483A1 (es) Procedimiento para la preparacion de clorhidrato de amida deacido 4-aminobutirico
JPS5626821A (en) Preparation of alpha-aminoacrylic acid derivative
ES2046141A1 (es) "procedimiento para la obtencion del acido 2-((2,6-diclorofenil)amino) fenilacetoxiacetico"
ZA965092B (en) Process for the preparation of alpha-methyl-thiopheneacetic acid derivatives
JPS5463077A (en) Preparation of imidazoline derivative
JPS5484549A (en) Priduction of 2-chloro-5-aminotoluene-4-sulfonic acid or its salt
TH25210A (th) การแยกกรดคาร์บอกซิลิก ไม่อิ่มตัวจากตัวทำละลายโดย เรคทิฟิเคชั่น
JPS5682823A (en) Improvement of cation exchange membrane