GB1090899A - Process for the preparation of phenazine derivatives - Google Patents

Process for the preparation of phenazine derivatives

Info

Publication number
GB1090899A
GB1090899A GB3837866A GB3837866A GB1090899A GB 1090899 A GB1090899 A GB 1090899A GB 3837866 A GB3837866 A GB 3837866A GB 3837866 A GB3837866 A GB 3837866A GB 1090899 A GB1090899 A GB 1090899A
Authority
GB
United Kingdom
Prior art keywords
formula
phenazine
aryl
inorganic base
organic
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
GB3837866A
Inventor
Barrington Cross
Roger Ernest Woodall
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Priority to GB3837866A priority Critical patent/GB1090899A/en
Publication of GB1090899A publication Critical patent/GB1090899A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
    • C07D241/38—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
    • C07D241/46—Phenazines

Abstract

Phenazine derivatives of the formula <FORM:1090899/C2/1> where R represents a halogen atom or an alkyl, aryl, aralkyl, alkaryl, alkoxy, thioalkyl, alkyl sulphonyl, aryl sulphonyl, hydroxy, amino or substituted amino group, m and n each represent 0, 1, 2, 3 or 4, the groups R being the same or different when m + n is greater than 1, may be obtained by reducing a 2,21-dinitrodiphenylamine of the formula <FORM:1090899/C2/2> with hydrazine in an alkaline medium. The reaction is suitably effected at a temperature above 20 DEG C. in the presence of a catalyst of activated charcoal or a metal of Group IB IIB or VIII of the Periodic Table and the alkaline medium may be provided by an alcoholic solution of an organic or inorganic base, but other solvents, e.g. dimethylformamide, ethanediol or t-butanol may also be used. The inorganic base may be an alkali or alkaline earth metal oxide or hydroxide and the organic base may be potassium tert.-butoxide. In an example 2-chloro-phenazine is prepared and some 2-ethoxyphenazine is also obtained.
GB3837866A 1966-08-26 1966-08-26 Process for the preparation of phenazine derivatives Expired GB1090899A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3837866A GB1090899A (en) 1966-08-26 1966-08-26 Process for the preparation of phenazine derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3837866A GB1090899A (en) 1966-08-26 1966-08-26 Process for the preparation of phenazine derivatives

Publications (1)

Publication Number Publication Date
GB1090899A true GB1090899A (en) 1967-11-15

Family

ID=10403097

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3837866A Expired GB1090899A (en) 1966-08-26 1966-08-26 Process for the preparation of phenazine derivatives

Country Status (1)

Country Link
GB (1) GB1090899A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3520888A (en) * 1965-10-22 1970-07-21 Pfizer & Co C 3,4-dihydrophenazine-5,10-dioxides
US3530130A (en) * 1967-09-14 1970-09-22 Hoffmann La Roche 1-acylated-6-methoxyphenazine 5,10-dioxides

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3520888A (en) * 1965-10-22 1970-07-21 Pfizer & Co C 3,4-dihydrophenazine-5,10-dioxides
US3530130A (en) * 1967-09-14 1970-09-22 Hoffmann La Roche 1-acylated-6-methoxyphenazine 5,10-dioxides

Similar Documents

Publication Publication Date Title
SE7409654L (en)
GB1098807A (en) Novel benzothiazinethiones
GB1111988A (en) 2&#39;,3&#39;-dideoxyriboside-2&#39;,3&#39;-olefins
ES360566A1 (en) Pyridoxine alpha-ketoglutarate and derivatives thereof
SE7704616L (en) WAY TO PRODUCE NEW 11-DESOXY-PROSTAGLANDIN-FŸ2-DERIVATIVES
GB1445210A (en) Benzothiazole derivatives
GB1090899A (en) Process for the preparation of phenazine derivatives
GB1111338A (en) Aralkyl substituted resorcinols
GB1101108A (en) Disubstituted adenosine derivatives
GB1100715A (en) 3-deoxyribofuranosyl derivatives
KR840005139A (en) Method for preparing pyrazolopyridine derivative
GB977071A (en) Hydroxylamine derivatives and process for making them
GB1121140A (en) Process for preparing 3-aminoisoxazole derivatives
GB1000194A (en) Aziridine compounds and method of preparing same
GB1070139A (en) Novel imidazothiazole derivatives and a process for preparation thereof
GB1063891A (en) Method for preparation of benzodiazepinones
ES430812A1 (en) Process for the manufacture of halogen-containing anthraquinoidal compounds, their use and new halogen-containing anthraquinoidal compounds
GB1390588A (en) 1-alkyl-sulphonyl-2-trifluoromethylbenzimidazoles process for their production and their use as agents against ectoparasites
ES427905A1 (en) Process for bulk dyeing high molecular organic compounds
ES430132A1 (en) 3,4-Dihydro-1,2,4-triazine compounds
GB1114916A (en) Process for the preparation of cycloheptapyrrole derivatives
GB1065889A (en) Improvements in or relating to the production of isoxazole compounds and the products thereof
GB1130837A (en) Dyes of the anthraquinone series and their production
CH609049A5 (en) Process for the preparation of 2-aminoimidazoles
GB1065295A (en) Process for the production of imidazolidones