GB2188627B - Preparation of 3-dimethylamino-7-methyl-1 2 4-benzotriazine-1-oxide - Google Patents

Preparation of 3-dimethylamino-7-methyl-1 2 4-benzotriazine-1-oxide

Info

Publication number
GB2188627B
GB2188627B GB8700862A GB8700862A GB2188627B GB 2188627 B GB2188627 B GB 2188627B GB 8700862 A GB8700862 A GB 8700862A GB 8700862 A GB8700862 A GB 8700862A GB 2188627 B GB2188627 B GB 2188627B
Authority
GB
United Kingdom
Prior art keywords
benzotriazine
dimethylamino
methyl
oxide
preparation
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
GB8700862A
Other versions
GB8700862D0 (en
GB2188627A (en
Inventor
Francis S Walker
F Roger Benn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AH Robins Co Ltd
Original Assignee
AH Robins Co 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
Priority claimed from GB868602037A external-priority patent/GB8602037D0/en
Priority claimed from GB868602035A external-priority patent/GB8602035D0/en
Application filed by AH Robins Co Ltd filed Critical AH Robins Co Ltd
Priority to AT87901068T priority Critical patent/ATE76071T1/en
Priority to DE8787901068T priority patent/DE3779021D1/en
Priority to PCT/GB1987/000057 priority patent/WO1987004433A1/en
Priority to EP87901068A priority patent/EP0259371B1/en
Publication of GB8700862D0 publication Critical patent/GB8700862D0/en
Publication of GB2188627A publication Critical patent/GB2188627A/en
Publication of GB2188627B publication Critical patent/GB2188627B/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D253/00—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00
    • C07D253/08—Heterocyclic compounds containing six-membered rings having three nitrogen atoms as the only ring hetero atoms, not provided for by group C07D251/00 condensed with carbocyclic rings or ring systems
    • C07D253/10—Condensed 1,2,4-triazines; Hydrogenated condensed 1,2,4-triazines
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C279/00—Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups
    • C07C279/18—Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of guanidine groups bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems
GB8700862A 1986-01-28 1987-01-15 Preparation of 3-dimethylamino-7-methyl-1 2 4-benzotriazine-1-oxide Expired - Lifetime GB2188627B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP87901068A EP0259371B1 (en) 1986-01-28 1987-01-28 Preparation of 3-dimethylamino-7-methyl-1,2,4-benzotriazine-1-oxide and azapropazone
AT87901068T ATE76071T1 (en) 1986-01-28 1987-01-28 PROCESS FOR THE PREPARATION OF 3-DIMETHYLAMINO 7-METHYL-1,2,4-BENZOTRIAZINE AND AZAPROPAZONE.
DE8787901068T DE3779021D1 (en) 1986-01-28 1987-01-28 METHOD FOR PRODUCING 3-DIMETHYLAMINO 7-METHYL-1,2,4-BENZOTRIAZINE AND AZAPROPAZONE.
PCT/GB1987/000057 WO1987004433A1 (en) 1986-01-28 1987-01-28 Preparation of 3-dimethylamino-7-methyl-1,2,4-benzotriazine-1-oxide and azapropazone

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868602035A GB8602035D0 (en) 1986-01-28 1986-01-28 3-dimethylamino-7-methyl-1,2,4-benzotriazine-1-oxide
GB868602037A GB8602037D0 (en) 1986-01-28 1986-01-28 3-dimethylamino-7-methyl-1,2,4-benzotriazine-1-oxide

Publications (3)

Publication Number Publication Date
GB8700862D0 GB8700862D0 (en) 1987-02-18
GB2188627A GB2188627A (en) 1987-10-07
GB2188627B true GB2188627B (en) 1990-03-14

Family

ID=26290279

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8700862A Expired - Lifetime GB2188627B (en) 1986-01-28 1987-01-15 Preparation of 3-dimethylamino-7-methyl-1 2 4-benzotriazine-1-oxide

Country Status (2)

Country Link
GB (1) GB2188627B (en)
SG (1) SG133292G (en)

Also Published As

Publication number Publication date
GB8700862D0 (en) 1987-02-18
GB2188627A (en) 1987-10-07
SG133292G (en) 1993-03-12

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20070114