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BR6573622D0 - Processo aperfeicoado para a producao de 1:3-benzoxazina-2:4-diona - Google Patents

Processo aperfeicoado para a producao de 1:3-benzoxazina-2:4-diona

Info

Publication number
BR6573622D0
BR6573622D0 BR173622/65A BR17362265A BR6573622D0 BR 6573622 D0 BR6573622 D0 BR 6573622D0 BR 173622/65 A BR173622/65 A BR 173622/65A BR 17362265 A BR17362265 A BR 17362265A BR 6573622 D0 BR6573622 D0 BR 6573622D0
Authority
BR
Brazil
Prior art keywords
diona
benzoxazine
production
perfect process
perfect
Prior art date
Application number
BR173622/65A
Other languages
English (en)
Inventor
J James
J Baker
J Shive
Original Assignee
Aspro Nicholas 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 Aspro Nicholas Ltd filed Critical Aspro Nicholas Ltd
Publication of BR6573622D0 publication Critical patent/BR6573622D0/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D265/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
    • C07D265/04—1,3-Oxazines; Hydrogenated 1,3-oxazines
    • C07D265/12—1,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems
    • C07D265/14—1,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring
    • C07D265/24—1,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring with hetero atoms directly attached in positions 2 and 4
    • C07D265/26—Two oxygen atoms, e.g. isatoic anhydride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
BR173622/65A 1964-10-01 1965-09-30 Processo aperfeicoado para a producao de 1:3-benzoxazina-2:4-diona BR6573622D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB40068/64A GB1069367A (en) 1964-10-01 1964-10-01 Improvements in or relating to the production of 1:3-benzoxazine-2:4-dione

Publications (1)

Publication Number Publication Date
BR6573622D0 true BR6573622D0 (pt) 1973-08-02

Family

ID=10413022

Family Applications (1)

Application Number Title Priority Date Filing Date
BR173622/65A BR6573622D0 (pt) 1964-10-01 1965-09-30 Processo aperfeicoado para a producao de 1:3-benzoxazina-2:4-diona

Country Status (8)

Country Link
US (1) US3409615A (pt)
AT (1) AT250983B (pt)
BR (1) BR6573622D0 (pt)
CH (1) CH441320A (pt)
DE (1) DE1545554A1 (pt)
ES (1) ES317405A1 (pt)
GB (1) GB1069367A (pt)
NL (1) NL6512303A (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2434158A1 (fr) * 1978-08-25 1980-03-21 Esteve Int Prod Nouveaux derives de 1,3-benzoxazine-2,4-dione, leur preparation et leur application en tant que medicaments
WO2000046182A1 (en) * 1999-02-05 2000-08-10 Emisphere Technologies, Inc. Method of preparing alkylated salicylamides
CA2402719C (en) 2000-03-21 2012-03-20 Emisphere Technologies, Inc. Method of preparing alkylated salicylamides via a dicarboxylate intermediate
AU2001275231A1 (en) 2000-06-02 2001-12-11 Emisphere Technologies, Inc. Method of preparing salicylamides
WO2020234245A1 (en) * 2019-05-20 2020-11-26 Lonza Guangzhou Nansha Ltd. Method for preparation of carsalam
IT202000003251A1 (it) 2020-02-18 2021-08-18 Dipharma Francis Srl Preparazione di un analgesico non steroideo

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476559A (en) * 1946-10-01 1949-07-19 Gen Aniline & Film Corp Oxazine diones
US3122538A (en) * 1961-11-14 1964-02-25 Geigy Chem Corp Pyrido-oxazine derivatives and a process for their preparation

Also Published As

Publication number Publication date
GB1069367A (en) 1967-05-17
DE1545554A1 (de) 1969-08-07
ES317405A1 (es) 1966-03-01
AT250983B (de) 1966-12-12
US3409615A (en) 1968-11-05
NL6512303A (pt) 1966-04-04
CH441320A (fr) 1967-08-15

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