BE900758A - Procede de preparation d'un benzothiadiazine dioxyde et intermediaire convenant a sa preparation. - Google Patents

Procede de preparation d'un benzothiadiazine dioxyde et intermediaire convenant a sa preparation.

Info

Publication number
BE900758A
BE900758A BE0/213782A BE213782A BE900758A BE 900758 A BE900758 A BE 900758A BE 0/213782 A BE0/213782 A BE 0/213782A BE 213782 A BE213782 A BE 213782A BE 900758 A BE900758 A BE 900758A
Authority
BE
Belgium
Prior art keywords
preparation
dioxide
benzothiadiazine
formula
intermediate suitable
Prior art date
Application number
BE0/213782A
Other languages
English (en)
Inventor
P J Kairisalo
E J Honkanen
M E V Johansson
M Karhu
P T Nore
A K Pippuri
I R H Kurimo
Original Assignee
Orion Yhtymae Oy
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 Orion Yhtymae Oy filed Critical Orion Yhtymae Oy
Publication of BE900758A publication Critical patent/BE900758A/fr

Links

Classifications

    • 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)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)

Abstract

Procédé de préparation du 2-méthyl-4-hydroxy-2H-1,2-benzothiazine-1,1-dioxyde-3-(N-2-pyridyl) répondant à la formule (I) suivant lequel on fait réagir l'acide 2-méthyl-4-mésoloxy-2H-1,2-benzo--thiazine-1,1-dioxyde-3-carboxylique de la formule (II) sur la 2-aminopyridine en présence de chlorure de thionyle dans un solvant. L'invention concerne aussi le composé de formule (II).
BE0/213782A 1983-10-06 1984-10-05 Procede de preparation d'un benzothiadiazine dioxyde et intermediaire convenant a sa preparation. BE900758A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI833628A FI72317C (fi) 1983-10-06 1983-10-06 Foerfarande foer framstaellning av farmaceutiskt anvaendbar 2-metyl-4-hydroxi-2h-1,2-benzotiazin-1,1-dioxid -3-(n-2-pyridyl)-karboxamid och i foerfarandet anvaendbar mellanprodukt.

Publications (1)

Publication Number Publication Date
BE900758A true BE900758A (fr) 1985-02-01

Family

ID=8517867

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/213782A BE900758A (fr) 1983-10-06 1984-10-05 Procede de preparation d'un benzothiadiazine dioxyde et intermediaire convenant a sa preparation.

Country Status (16)

Country Link
AT (1) AT387775B (fr)
BE (1) BE900758A (fr)
CA (1) CA1246066A (fr)
CS (1) CS253593B2 (fr)
DD (1) DD224594A5 (fr)
DK (1) DK154504C (fr)
ES (1) ES536544A0 (fr)
FI (1) FI72317C (fr)
HU (2) HU195493B (fr)
IT (1) IT1218850B (fr)
NO (1) NO159275C (fr)
PL (1) PL143957B1 (fr)
PT (1) PT79326B (fr)
SE (2) SE460789B (fr)
SU (1) SU1405703A3 (fr)
YU (2) YU43381B (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289879A (en) * 1980-09-29 1981-09-15 Pfizer Inc. Synthetic method and intermediate for piroxicam
JPH08270888A (ja) * 1995-03-30 1996-10-15 Nec Eng Ltd 断熱締結機構

Also Published As

Publication number Publication date
YU170884A (en) 1986-12-31
ATA316384A (de) 1988-08-15
PT79326B (en) 1986-09-08
CS253593B2 (en) 1987-11-12
YU43603B (en) 1989-08-31
SE460789B (sv) 1989-11-20
NO843949L (no) 1985-04-09
SE464411B (sv) 1991-04-22
SE8900248D0 (sv) 1989-01-24
YU149686A (en) 1986-12-31
SU1405703A3 (ru) 1988-06-23
IT8422981A0 (it) 1984-10-04
SE8405002L (sv) 1985-04-07
DK154504C (da) 1989-04-10
PL143957B1 (en) 1988-03-31
CA1246066A (fr) 1988-12-06
HUT37427A (en) 1985-12-28
NO159275C (no) 1988-12-14
SE8405002D0 (sv) 1984-10-05
FI72317C (fi) 1987-05-11
IT1218850B (it) 1990-04-24
SE8900248L (sv) 1989-01-24
DK471284D0 (da) 1984-10-02
ES8505937A1 (es) 1985-07-01
YU43381B (en) 1989-06-30
FI72317B (fi) 1987-01-30
PT79326A (en) 1984-11-01
FI833628A (fi) 1985-04-07
AT387775B (de) 1989-03-10
DD224594A5 (de) 1985-07-10
HU194559B (en) 1988-02-29
FI833628A0 (fi) 1983-10-06
PL249918A1 (en) 1985-07-30
HU195493B (en) 1988-05-30
NO159275B (no) 1988-09-05
ES536544A0 (es) 1985-07-01
DK471284A (da) 1985-04-07
DK154504B (da) 1988-11-21

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Legal Events

Date Code Title Description
CH Change of patent owner

Owner name: *PFIZER INC.

Effective date: 19841005

RE20 Patent expired

Owner name: *PFIZER INC.

Effective date: 20041005