GB631039A - The manufacture of new wool dyestuffs of the xanthene series - Google Patents

The manufacture of new wool dyestuffs of the xanthene series

Info

Publication number
GB631039A
GB631039A GB1903747A GB1903747A GB631039A GB 631039 A GB631039 A GB 631039A GB 1903747 A GB1903747 A GB 1903747A GB 1903747 A GB1903747 A GB 1903747A GB 631039 A GB631039 A GB 631039A
Authority
GB
United Kingdom
Prior art keywords
fluoran
anilino
cyclohexyl
manufacture
cyclohexylanilino
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
GB1903747A
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.)
Imperial Chemical Industries Ltd
Original Assignee
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB1903747A priority Critical patent/GB631039A/en
Publication of GB631039A publication Critical patent/GB631039A/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
    • C09B11/00—Diaryl- or thriarylmethane dyes
    • C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
    • C09B11/10—Amino derivatives of triarylmethanes
    • C09B11/24—Phthaleins containing amino groups ; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)

Abstract

Dyes are made by sulphonating 3.6-di-(o- or p-cyclohexylanilino)-fluorans which may contain methyl groups in the o- and p-positions of the anilino residues which are not occupied by cyclohexyl groups. The products dye wool violet shades. In examples, the following are sulphonated: (1) 3.6-di-(o- or p-cyclohexylanilino)-fluoran; (2) 3.6-di-(21-cyclohexyl-41-methyl-anilino)-fluoran; (3) 3.6-di-(21-methyl-61-cyclohexyl-anilino)-fluoran; (4) 3.6-di-(21.41-dimethyl-61-cyclohexyl-anilino) -fluoran. The above 3.6-di-(o- or p-cyclohexylanilino)-fluorans may be obtained by condensing 3.6-dichlorofluoran with the appropriate amine.
GB1903747A 1947-07-16 1947-07-16 The manufacture of new wool dyestuffs of the xanthene series Expired GB631039A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1903747A GB631039A (en) 1947-07-16 1947-07-16 The manufacture of new wool dyestuffs of the xanthene series

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1903747A GB631039A (en) 1947-07-16 1947-07-16 The manufacture of new wool dyestuffs of the xanthene series

Publications (1)

Publication Number Publication Date
GB631039A true GB631039A (en) 1949-10-26

Family

ID=10122697

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1903747A Expired GB631039A (en) 1947-07-16 1947-07-16 The manufacture of new wool dyestuffs of the xanthene series

Country Status (1)

Country Link
GB (1) GB631039A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5279656A (en) * 1991-11-15 1994-01-18 Imperial Chemical Industries Plc Xanthene dyes for ink jet printing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5279656A (en) * 1991-11-15 1994-01-18 Imperial Chemical Industries Plc Xanthene dyes for ink jet printing

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