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GB1358488A - Oxazine dyestuffs - Google Patents

Oxazine dyestuffs

Info

Publication number
GB1358488A
GB1358488A GB2159372A GB2159372A GB1358488A GB 1358488 A GB1358488 A GB 1358488A GB 2159372 A GB2159372 A GB 2159372A GB 2159372 A GB2159372 A GB 2159372A GB 1358488 A GB1358488 A GB 1358488A
Authority
GB
United Kingdom
Prior art keywords
nitroso compound
optionally
alkyl
oxazine
aminophenol
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
GB2159372A
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.)
AstraZeneca SAS
Imperial Chemical Industries Ltd
Original Assignee
ICI Pharma SA
Imperial Chemical Industries 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 ICI Pharma SA, Imperial Chemical Industries Ltd filed Critical ICI Pharma SA
Priority to GB2159372A priority Critical patent/GB1358488A/en
Priority to DE19722259341 priority patent/DE2259341A1/en
Priority to JP12195472A priority patent/JPS4923226A/ja
Priority to IT3261772A priority patent/IT971650B/en
Priority to NL7216600A priority patent/NL7216600A/xx
Priority to FR7243873A priority patent/FR2183653B3/fr
Priority to ES409606A priority patent/ES409606A1/en
Publication of GB1358488A publication Critical patent/GB1358488A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B19/00—Oxazine dyes

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)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Coloring (AREA)

Abstract

1358488 Preparing oxazine dyes IMPERIAL CHEMICAL INDUSTRIES Ltd 20 Nov 1972 [9 May 1972] 21593/72 Heading C4P Oxazine dyestuffs of the general formula wherein R, R<SP>1</SP> and R<SP>2</SP> are optionally substituted alkyl, aralkyl or aryl groups or R and R<SP>1</SP> together with the nitrogen atom and optionally other hetero atoms may form a heterocyclic ring, R<SP>3</SP> is H, alkyl or aralkyl or R<SP>2</SP> and R<SP>3</SP> together with the nitrogen atom and optionally other hetero atoms may form a heterocyclic ring, rings X and Y may be further substituted by alkyl groups and 2<SP>(-)</SP> is an anion are prepared by nitrosating an amine of the general formula in an aqueous acidic medium and without isolation of the nitroso compound formed the aqueous suspension of the nitroso compound is reacted with a m-aminophenol of the formula at a pH of 1À0 to 4À5, and preferably at 65-100‹ C. using 1À3 to 1-6 moles of nitroso compound per mole of m-aminophenol. The dyes give greenblue shades on polymers and copolymers of acrylonitrile and dicyanoethylene.
GB2159372A 1972-05-09 1972-05-09 Oxazine dyestuffs Expired GB1358488A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB2159372A GB1358488A (en) 1972-05-09 1972-05-09 Oxazine dyestuffs
DE19722259341 DE2259341A1 (en) 1972-05-09 1972-12-04 PROCESS FOR THE PREPARATION OF OXAZINE DYES
JP12195472A JPS4923226A (en) 1972-05-09 1972-12-05
IT3261772A IT971650B (en) 1972-05-09 1972-12-06 OXZIN DYES
NL7216600A NL7216600A (en) 1972-05-09 1972-12-07
FR7243873A FR2183653B3 (en) 1972-05-09 1972-12-08
ES409606A ES409606A1 (en) 1972-05-09 1972-12-14 Oxazine dyestuffs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2159372A GB1358488A (en) 1972-05-09 1972-05-09 Oxazine dyestuffs

Publications (1)

Publication Number Publication Date
GB1358488A true GB1358488A (en) 1974-07-03

Family

ID=10165533

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2159372A Expired GB1358488A (en) 1972-05-09 1972-05-09 Oxazine dyestuffs

Country Status (7)

Country Link
JP (1) JPS4923226A (en)
DE (1) DE2259341A1 (en)
ES (1) ES409606A1 (en)
FR (1) FR2183653B3 (en)
GB (1) GB1358488A (en)
IT (1) IT971650B (en)
NL (1) NL7216600A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5917035A (en) * 1992-12-15 1999-06-29 Ciba Specialty Chemicals Corporation Oxazine dyes, their preparation and the use thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH593321A5 (en) * 1974-04-29 1977-11-30 Ciba Geigy Ag
JPS52138774U (en) * 1976-04-15 1977-10-21

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5917035A (en) * 1992-12-15 1999-06-29 Ciba Specialty Chemicals Corporation Oxazine dyes, their preparation and the use thereof

Also Published As

Publication number Publication date
IT971650B (en) 1974-05-10
JPS4923226A (en) 1974-03-01
FR2183653A1 (en) 1973-12-21
ES409606A1 (en) 1975-12-16
NL7216600A (en) 1973-11-13
FR2183653B3 (en) 1976-01-09
DE2259341A1 (en) 1973-11-29

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees