YU63499A - Postupak za sintezu 4-hidroksi-2h-1,2-benzotiazin-3- karboksamida - Google Patents

Postupak za sintezu 4-hidroksi-2h-1,2-benzotiazin-3- karboksamida

Info

Publication number
YU63499A
YU63499A YU63499A YU63499A YU63499A YU 63499 A YU63499 A YU 63499A YU 63499 A YU63499 A YU 63499A YU 63499 A YU63499 A YU 63499A YU 63499 A YU63499 A YU 63499A
Authority
YU
Yugoslavia
Prior art keywords
methyl
benzothiazine
hydroxy
pyridile
carboxamide
Prior art date
Application number
YU63499A
Other languages
English (en)
Inventor
Slobodan Stanković
Nebojša Stojanović
Snežana Milošević
Dejan Nikolić
Original Assignee
Dd Zdravlje Leskovac Farmaceutsko-Hemijska Industrija, Sektor Za Istraživanje I Razvoj
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 Dd Zdravlje Leskovac Farmaceutsko-Hemijska Industrija, Sektor Za Istraživanje I Razvoj filed Critical Dd Zdravlje Leskovac Farmaceutsko-Hemijska Industrija, Sektor Za Istraživanje I Razvoj
Priority to YUP-634/99A priority Critical patent/RS49867B/sr
Priority to PCT/YU2000/000009 priority patent/WO2001040208A2/en
Priority to AU36333/00A priority patent/AU3633300A/en
Publication of YU63499A publication Critical patent/YU63499A/sh
Publication of RS49867B publication Critical patent/RS49867B/sr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
    • C07D417/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
    • C07D279/02—1,2-Thiazines; Hydrogenated 1,2-thiazines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

Predlozeni pronalazak odnosi se na podrucje organske hemijske tehnologije, specificno na postupak dobijanja jedinjenja 4-hiidroksi-2-metil-2H-1,2-benzotiazin-3-karboksamid-1,1-dioksida, opste formule (I), gde R ima znacenje jednog od sledecih radikala: alkil grupa (C1-C6), cikloalkil, benzil, fenil, piridil, metil-piridil, pirimidil, tiazol ili izotiazol. Poseban interes kada se radi o klinickoj praksi kao nesteroidni antireumatici sa antiinflamatornim i analgetskim svojstvima imaju: piroksikam (4-hidroksi-2-metil-N-(2-piridinil)-2H-1,2-benzotiazin-3-karboksamid-1,1-dioksid), izoksikam (4-hidroksi-2-metil-N-(5-metil-3-izoksazolil)-2H-1,2-benzotiazin-3-karboksamid-1,1-dioksid) i sudoksikam (4-hidroksi-2-metil-N-2-tiazolil-2H-1,2-benzotiazin-3-karboksamid-1,1-dioksid. Ovaj pronalazak ima za pojedinacne karakteristike: upotrebu etilestra i dimetilformamida sa natrijum etoksidom za otvaranje cikusa i rad na niskim temperaturama u pomenutoj fazi; zatim metilovanje i finalno kondenzovanje sa aminom opste formule NH2-R, gde je R: 2-piridil, alkil supstituisani 2-piridil, 2-tiazoil, 2-tiazoil supstituisan sa jednom ili dve alkil grupe pri cemu svaki alkil ima od 1 do 4 ugljenikova atoma ili 5-metil-3-izoksazolil, uz koriscenje specificnih katalizatora i apsorpcionih sredstava u inertnom rastvaracu i inertnoj atmosferi.
YUP-634/99A 1999-12-06 1999-12-06 Postupak za sintezu 4-hidroksi-2h-1,2-benzotiazin-3-karboksamida RS49867B (sr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
YUP-634/99A RS49867B (sr) 1999-12-06 1999-12-06 Postupak za sintezu 4-hidroksi-2h-1,2-benzotiazin-3-karboksamida
PCT/YU2000/000009 WO2001040208A2 (en) 1999-12-06 2000-04-06 Process for synthesis of 4-hydroxy-2h-1,2-benzothiazine-3-carboxamides
AU36333/00A AU3633300A (en) 1999-12-06 2000-04-06 Process for synthesis 4-hydroxy-2h-1,2-benzothiazine-3-carboxamides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
YUP-634/99A RS49867B (sr) 1999-12-06 1999-12-06 Postupak za sintezu 4-hidroksi-2h-1,2-benzotiazin-3-karboksamida

Publications (2)

Publication Number Publication Date
YU63499A true YU63499A (sh) 2002-06-19
RS49867B RS49867B (sr) 2008-08-07

Family

ID=25550782

Country Status (3)

Country Link
AU (1) AU3633300A (sh)
RS (1) RS49867B (sh)
WO (1) WO2001040208A2 (sh)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3957772A (en) * 1975-05-21 1976-05-18 Warner-Lambert Company Process for the preparation of 4-hydroxy-3-(5-methyl-3-isoxazolylcarbamoyl)-2-methyl-2h-1,2-benzothiazine 1,1-dioxide
DE3212485A1 (de) * 1982-04-03 1983-10-13 Gödecke AG, 1000 Berlin Verfahren zur herstellung von 4-hydroxy-3-(heterocyclocarbamoyl)-2h-1,2-benzothiazin-1,1-dioxiden
IT1194522B (it) * 1983-12-16 1988-09-22 Prodotti Antibiotici Spa Metodo di sintesi di derivanti benzotiazinici
ES2002646A6 (es) * 1987-03-27 1988-09-01 Induspol Sa Procedimiento para la obtencion de 4-hidroxi-2-metil-n-(2-piri-dil)-2h-1,2-benzotiacina-3-carboxamida 1,1-dioxido

Also Published As

Publication number Publication date
WO2001040208A2 (en) 2001-06-08
RS49867B (sr) 2008-08-07
AU3633300A (en) 2001-06-12
WO2001040208A3 (en) 2001-11-29

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