GB620801A - Improvements in or relating to cyanine dyestuffs - Google Patents

Improvements in or relating to cyanine dyestuffs

Info

Publication number
GB620801A
GB620801A GB223847A GB223847A GB620801A GB 620801 A GB620801 A GB 620801A GB 223847 A GB223847 A GB 223847A GB 223847 A GB223847 A GB 223847A GB 620801 A GB620801 A GB 620801A
Authority
GB
United Kingdom
Prior art keywords
bis
group
cyanopentamethinecyanine
iodide
toluenesulphonate
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
GB223847A
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.)
Ilford Imaging UK Ltd
Original Assignee
Ilford 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 Ilford Ltd filed Critical Ilford Ltd
Priority to GB223847A priority Critical patent/GB620801A/en
Publication of GB620801A publication Critical patent/GB620801A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B23/00Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/08Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines
    • C09B23/083Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups more than three >CH- groups, e.g. polycarbocyanines five >CH- groups

Abstract

Symmetrical pentamethine, heptamethine or nonamethine cyanine dyes substituted in the central methine group of the cyanine chain by a cyano group are produced by condensing one molecular equivalent of cyanacetic acid with at least two molecular equivalents of an alkyl or aralkyl quaternary salt of a 5- or 6-membered heterocyclic N compound having in the a - or g -position to the quaternary N atom an alkyl, aralkyl or aryl thioethervinyl, thioetherbutadienyl, selenoethervinyl or selenoetherbutadienyl group or a group of formula -(CH=CH)mNH2 (wherein m is 1, 2 or 3) or the N-acyl, N-aryl or N-acylaryl derivatives thereof. Bis - 2 - (3 - Methylbenzthiazole) - g - cyano - pentamethinecyanine p-toluenesulphonate is prepared by heating together 2-(b -ethylthiovinyl)-benzthiazole metho-p-toluenesulphonate, cyanacetic acid and pyridine. Bis-2-(1 : 3 : 3-trimethylindolenine) - g - cyanopentamethinecyanine iodide and bis-2-(1-ethylquinoline)-g -cyanopentamethinecyanine iodide are similarly prepared and bis-2-(3-ethylbenzthiazole)-g -cyanopentamethinecyanine iodide is similarly prepared from 2-(b -acetanilidovinyl)-benzthiazole ethiodide.
GB223847A 1947-01-24 1947-01-24 Improvements in or relating to cyanine dyestuffs Expired GB620801A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB223847A GB620801A (en) 1947-01-24 1947-01-24 Improvements in or relating to cyanine dyestuffs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB223847A GB620801A (en) 1947-01-24 1947-01-24 Improvements in or relating to cyanine dyestuffs

Publications (1)

Publication Number Publication Date
GB620801A true GB620801A (en) 1949-03-30

Family

ID=9736032

Family Applications (1)

Application Number Title Priority Date Filing Date
GB223847A Expired GB620801A (en) 1947-01-24 1947-01-24 Improvements in or relating to cyanine dyestuffs

Country Status (1)

Country Link
GB (1) GB620801A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011085532A1 (en) * 2010-01-15 2011-07-21 大连理工大学 Conjugated chain beta-n-substituted pentamethine cyanine fluorescent dye

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011085532A1 (en) * 2010-01-15 2011-07-21 大连理工大学 Conjugated chain beta-n-substituted pentamethine cyanine fluorescent dye
CN101787218B (en) * 2010-01-15 2014-04-02 大连理工大学 Conjugated chain beta-N-substituted cyanine fluorescent dye
US8735601B2 (en) 2010-01-15 2014-05-27 Dalian University Of Technology Pentamethine cyanine fluorescent dye with N-substituting at β-position of conjugated chain

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