CH490415A - Verfahren zur Herstellung von 1,2,3,4-Tetrahydro-4a(H)-pyrimido-(5,4-b) (1,4)-benzothiazin-2,4-dionen - Google Patents

Verfahren zur Herstellung von 1,2,3,4-Tetrahydro-4a(H)-pyrimido-(5,4-b) (1,4)-benzothiazin-2,4-dionen

Info

Publication number
CH490415A
CH490415A CH1559767A CH1559767A CH490415A CH 490415 A CH490415 A CH 490415A CH 1559767 A CH1559767 A CH 1559767A CH 1559767 A CH1559767 A CH 1559767A CH 490415 A CH490415 A CH 490415A
Authority
CH
Switzerland
Prior art keywords
benzothiazine
pyrimido
dione
tetrahydro
preparation
Prior art date
Application number
CH1559767A
Other languages
English (en)
Inventor
Maurice Goldman Irving
Original Assignee
Pfizer & Co C
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 Pfizer & Co C filed Critical Pfizer & Co C
Publication of CH490415A publication Critical patent/CH490415A/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D417/00Heterocyclic 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
    • C07D417/02Heterocyclic 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
    • C07D417/04Heterocyclic 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 directly linked by a ring-member-to-ring-member bond
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D513/00Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
    • C07D513/02Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
    • C07D513/04Ortho-condensed systems
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D513/00Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
    • C07D513/12Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains three hetero rings
    • C07D513/14Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH1559767A 1966-11-08 1967-11-07 Verfahren zur Herstellung von 1,2,3,4-Tetrahydro-4a(H)-pyrimido-(5,4-b) (1,4)-benzothiazin-2,4-dionen CH490415A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US59276566A 1966-11-08 1966-11-08
US64559467A 1967-06-13 1967-06-13

Publications (1)

Publication Number Publication Date
CH490415A true CH490415A (de) 1970-05-15

Family

ID=27081536

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1559767A CH490415A (de) 1966-11-08 1967-11-07 Verfahren zur Herstellung von 1,2,3,4-Tetrahydro-4a(H)-pyrimido-(5,4-b) (1,4)-benzothiazin-2,4-dionen

Country Status (7)

Country Link
US (1) US3483198A (de)
BE (1) BE706224A (de)
CH (1) CH490415A (de)
DE (1) DE1695595A1 (de)
FR (1) FR1565368A (de)
GB (2) GB1175581A (de)
NL (1) NL6715080A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4476125A (en) * 1983-03-24 1984-10-09 Usv Pharmaceutical Corporation Benzobisoxazinetetrones and anti-allergic use thereof
JPH0739422B2 (ja) * 1991-01-07 1995-05-01 ファイザー製薬株式会社 新規ピリミド−ベンゾチアジン類および組成物
US5418231A (en) * 1991-01-07 1995-05-23 Pfizer Inc. Pyrimido-benzothiazines

Also Published As

Publication number Publication date
US3483198A (en) 1969-12-09
GB1188710A (en) 1970-04-22
DE1695595A1 (de) 1972-01-20
NL6715080A (de) 1968-05-09
FR1565368A (de) 1969-05-02
BE706224A (de) 1968-05-08
GB1175581A (en) 1969-12-23

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Legal Events

Date Code Title Description
PL Patent ceased