Tri aryl azines as fluorescent whitening agents
Abstract
Abstract THE PRESENT INVENTION RELATES TO NEW COMPOUNDS OF THE FORMULA 2,4,6-TRI(4-ALPHA,A-PHENYL)-S-TRIAZINE WHERE N2 IS Z2 AND N1 IS Z1 IN WHICH A REPRESENTS HYDROGEN, HALOGEN, THE METHYL GROUP OR THE METHOXY GROUP, Z1 AND/OR Z2 DENOTES A RING MEMBER =CH- OR =N- AND A REPRESENTS A HYDROGEN ATOM, A PHENYL RESIDUE OR A RESIDUE OF THE SERIES C6H5-CH=CH-, (NAPHTH-1-YL)-CH=CH-, (NAPHTH-2-YL)-CH=CH-, AND (BIPHENYL-4-YL)-CH=CH- IN WHICH (I) AT LEAST ONE RESIDUE A DIFFERS FROM HYDROGEN OR PHENYL AND HAS THE SIGNIFICANCE OF ONE OF THE OTHER RESIDUES QUOTED FOR A, AND IN WHICH (II) TERMINAL PHENYL OR NAPHTHYL RESIDUES MAY CONTAIN ALKYL, HALOGEN OR ALKOXY GROUPS. THE NEW COMPOUNDS REPRESENT VALUABLE OPTICAL BRIGHTENING AGENTS.
Inventors
- 👤 A Siegrist
- 👤 L Guglielmetti
- 👤 H Meyer
- 👤 P Liechti
- 👤 E Maeder
- 👤 K Weber
Bibliographic Details
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