[go: up one dir, main page]

GB1458178A - Chromogenic quinoxaline compounds - Google Patents

Chromogenic quinoxaline compounds

Info

Publication number
GB1458178A
GB1458178A GB1388775A GB1388775A GB1458178A GB 1458178 A GB1458178 A GB 1458178A GB 1388775 A GB1388775 A GB 1388775A GB 1388775 A GB1388775 A GB 1388775A GB 1458178 A GB1458178 A GB 1458178A
Authority
GB
United Kingdom
Prior art keywords
quinoxalinic
acid
prepared
diethylaminobenzoyl
dimethyl
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
GB1388775A
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.)
NCR Voyix Corp
Original Assignee
NCR Corp
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 NCR Corp filed Critical NCR Corp
Publication of GB1458178A publication Critical patent/GB1458178A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/132Chemical colour-forming components; Additives or binders therefor
    • B41M5/136Organic colour formers, e.g. leuco dyes
    • B41M5/145Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D241/00Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/36Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
    • C07D241/38Heterocyclic 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
    • C07D241/40Benzopyrazines
    • C07D241/44Benzopyrazines with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Luminescent Compositions (AREA)

Abstract

1458178 Quinoxalinic acid derivatives NCR CORP 4 April 1975 [8 May 1974] 13887/75 Addition to 1367569 Heading C2C [Also in Divisions C4 and D2] 2 - (2 - Methyl - 4 - diethylaminobenzoyl)- 3-quinoxalinic acid is prepared from N,N-diethyl-m-toluidine and 2,3-quinoxalinic anhydride (I) (Ex. 1). 2 - (2 - Ethoxy - 4 - diethylaminobenzoyl). 3 - quinoxalinic acid is prepared from N,N- diethyl-m-phenatidine and (I) (Ex. 10). 2 - (2 - Chloro - 4 - diethylaminobenzoyl)- 3 - quinoxalinic acid is prepared from mchloro-N,N-diethylaniline and (I) (Ex. 18). 2 - (1 - Ethyl - 2 - methylindol - 3 - eyl)- 3- quinoxalinic acid is prepared from 1-ethyl-2- methylindole and (I) (Ex. 23). 2 - (2 - Methyl - 4 - diethylaminobenzoyl)- 6,7 - dimethyl - 3 - quinoxalinic acid is prepared from N,N-diethyl-m-toluidine and 6,7-dimethyl- 2,3-quinoxalinic anhydride (Ex. 29). 6,7 - Dichloro - 2,3 - quinoxalinic acid is prepared from dihydroxytartaric acid and 4,5- dichloro-o-phenylene diamine (Ex. 36). 6,7 - Dimethyl - 2,3 - quinoxaline anhydride is prepared from dihydroxytartaric acid and 4,5-dimethyl-o-phenylene diamine (Ex. 38).
GB1388775A 1974-05-08 1975-04-04 Chromogenic quinoxaline compounds Expired GB1458178A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46811274A 1974-05-08 1974-05-08

Publications (1)

Publication Number Publication Date
GB1458178A true GB1458178A (en) 1976-12-08

Family

ID=23858477

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1388775A Expired GB1458178A (en) 1974-05-08 1975-04-04 Chromogenic quinoxaline compounds

Country Status (1)

Country Link
GB (1) GB1458178A (en)

Similar Documents

Publication Publication Date Title
GB1510925A (en) Chromogenic enzyme substrates
GB1415378A (en) Photopolymerisable compositions and elements
JPS53147034A (en) Gamma-glutamyl-p-aminoanilide derivatives and process for their preparation
GB1413288A (en) Heat-sensitive recording materials
GB1307382A (en) Pressure-sensitive copying material
GB1458178A (en) Chromogenic quinoxaline compounds
JPS5224061A (en) Amplifier
IE38620L (en) Phthalides and preparation thereof.
GB1228067A (en)
GB1139002A (en) Bromophenol derivatives
GB1528945A (en) 1,1,1-trihalo-4-methyl-3-penten-2-ols and their preparation
IE43642L (en) Benzoyl-phenylnindenes and -phenylnaphthalenes
GB1449404A (en) N-arylsulphonyl urea derivatives
GB1261626A (en) New water-insoluble azo-compounds and a process for their manufacture
IE39049L (en) 1, 4-dihydroquinolines.
GB746024A (en) Improvements in and relating to d.c. or voltage amplifiers
GB1465588A (en) Sodium aluminium phosphates
GB1509347A (en) Coumarin dyes
JPS5232639A (en) Stamp detection equipment
GB1241240A (en) New phthalocyanine dyestuffs and processes for their manufacture and use
GB1522762A (en) Copier document loading system
JPS5254083A (en) Microbial productio of glicolipids
JPS5233027A (en) Transistor chopper
JPS521679A (en) Throw-away system face mill
JPS53116376A (en) Preparation of chromone derivatives

Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)