The Synthesis and Properties of Asymmetrically Substituted 4,4 '-Bis(1,3,5-triazine-6-yl)diaminostilbene-2,2 '-disulfonic Acid Derivatives as Fluorescent Brighteners [II]
- Authors
- Jung, Jongkeun; Kang, Yonghan
- Issue Date
- Jul-2013
- Publisher
- KOREAN CHEMICAL SOC
- Keywords
- Bistriazinylstilbene fluorescent brightening agents; 2,4,6-trichloro-1,3,5-triazine; Asymmetrical; Whiteness; Fastness
- Citation
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.34, no.7, pp.2131 - 2137
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- BULLETIN OF THE KOREAN CHEMICAL SOCIETY
- Volume
- 34
- Number
- 7
- Start Page
- 2131
- End Page
- 2137
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/27212
- DOI
- 10.5012/bkcs.2013.34.7.2131
- ISSN
- 0253-2964
- Abstract
- In this work, the key intermediate, 4-amino-4'-(2-amino-4-anilino-1,3,5-triazine-6-yl)-aminostilbene-2,2'-disulfonic acid, was prepared from 4-(2-amino-4-anilino-1,3,5-triazine-6-yl)amino-4'-nitrostilbene-2,2'-disulfonate by using Tin(II) chloride as the reducing agent. Using this intermediate, nineteen new asymmetrically substituted bistriazinylstilbene fluorescent brightening agents were synthesized. Chemical structures of the obtained compounds 5a-s were analyzed by proton NMR spectrum. The physical properties of the new compounds 5a-s were characterized by fastness test and whiteness measurement test and the obtained data were compared to measurements obtained from CI 86.
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