GB713540A - Improvements in and relating to 1:2:4-triazine derivatives - Google Patents

Improvements in and relating to 1:2:4-triazine derivatives

Info

Publication number
GB713540A
GB713540A GB18060/51A GB1806051A GB713540A GB 713540 A GB713540 A GB 713540A GB 18060/51 A GB18060/51 A GB 18060/51A GB 1806051 A GB1806051 A GB 1806051A GB 713540 A GB713540 A GB 713540A
Authority
GB
United Kingdom
Prior art keywords
glyoxylic acid
thiosemicarbazide
triazine
aminophenyl
nitrophenyl
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
Application number
GB18060/51A
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.)
Novartis AG
Original Assignee
JR Geigy AG
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 JR Geigy AG filed Critical JR Geigy AG
Publication of GB713540A publication Critical patent/GB713540A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40Nitrogen atoms
    • C07D251/54Three nitrogen atoms
    • C07D251/70Other substituted melamines
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/26Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
    • C07D251/40Nitrogen atoms
    • C07D251/54Three nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention comprises compounds having one of the general formul <FORM:0713540/IV (b)/1> wherein R represents a phenyl radical substituted by at least one alkyl, alkoxy, alkylmercapto, alkylsulphonyl, halogen, nitro, amino, substituted amino, acylamino (including sulphonamido), ureido, thioureido, hydroxy, acyloxy or alkoxycarbonylamino radical. They can be prepared by treating thiosemicarbazones of a -ketonic acids of the general formula <FORM:0713540/IV (b)/2> or their reactive functional derivatives with ring-forming agents, as which being specified alkalies, e.g. sodium or potassium carbonate or sodium hydroxide. The thiosemicarbazones are obtained by reacting thiosemicarbazide with the appropriately substituted phenylglyoxylic acid. In examples (1) 6-(41-methoxyphenyl)-3-mercapto - 1 : 2 : 4 - triazine - 5 - (2H) - one is produced by refluxing with potassium carbonate solution 4-methoxyphenyl glyoxylic acid ethyl ester (from 4-methoxyphenyl glyoxylic acid ethyl ester and thiosemicarbazide; (2) 6-(41-aminophenyl) - 3 - mercapto - 1 : 2 : 4 - triazine-5-(2H)- one is produced by heating 4-aminophenyl glyoxylic acid thiosemicarbazone (from 4-aminophenyl glyoxylic acid and thiosemicarbazide) with dilute caustic soda lye. The product is acetylated to the corresponding 41-acetamino derivative; (3) 6-(41-nitrophenyl)-3-mercapto - 1 : 2 : 4 - triazine - 5 - (2H) - one is obtained by allowing 4-nitrophenyl glyoxylic acid thiosemicarbazone (from 4-nitrophenyl glyoxylic acid and thiosemicarbazide) to stand with caustic soda solution. The product is reduced to the corresponding p 41-amino-compound. A table is given of compounds of the second formula above where R represents a phenyl radical substituted in the p-position by chlorine or bromine or a hydroxy, b -hydroxyethoxy-, methylmercapto, methylsulphonyl, ethylsulphonyl, ethyl, b : b -dimethylacryloylamino, benzoylamino, p-methylbenzoylamino, ethoxycarbonylamino, N1 - methyl - thioureido, N1-ethylureido, methylsulphonamido or a benzylideneimino group or in which R represents a 2 : 4 - dihydroxyphenyl, 3 - methoxy - 4-hydroxphenyl, or 3-methoxy-4-methylphenyl radical.
GB18060/51A 1950-08-01 1951-07-31 Improvements in and relating to 1:2:4-triazine derivatives Expired GB713540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH713540X 1950-08-01

Publications (1)

Publication Number Publication Date
GB713540A true GB713540A (en) 1954-08-11

Family

ID=4530955

Family Applications (1)

Application Number Title Priority Date Filing Date
GB18060/51A Expired GB713540A (en) 1950-08-01 1951-07-31 Improvements in and relating to 1:2:4-triazine derivatives

Country Status (1)

Country Link
GB (1) GB713540A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220767A (en) * 1977-03-19 1980-09-02 Smith Kline & French Laboratories Limited Triazinones

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220767A (en) * 1977-03-19 1980-09-02 Smith Kline & French Laboratories Limited Triazinones

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