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Development of New Fluorescent Whitening Agent with 4,4'-Di((E)-styryl)-1,1'-biphenyl Skeleton from Recyclable Source MFB

재사용이 가능한 methyl 4-formylbenzoate로부터 4,4'-di((E)-styryl)-1,1'-biphenyl 골격 구조를 갖는 새로운 형광증백제 개발 연구

  • Received : 2017.02.21
  • Accepted : 2017.03.20
  • Published : 2017.06.10

Abstract

Six new fluorescent whitening agent's candidates with 4,4'-di((E)-styryl)-1,1'-biphenyl skeleton which is the same as that of Uvitex FP family were synthesized using methyl 4-formylbenzoate (MFB) as a starting material. MFB has been disposed as a by-product of dimethyl terephthalate (DMT) production process. Six candidates were synthesized by the reaction of MFB, and its derivatives with tetraethyl biphenyl-4,4'-diylbis(methylene)diphosphonate (3) using Wittig-Horner reaction. A series of UV spectra were recorded and the results were used for estimating molar absorptivities of each candidates in order to find their potential application as fluorescent whitening agents. Considering the molar absorptivity (log ${\varepsilon}$ 3.95~2.60) for all candidates was lower than that of the commercial Uvitex FP 127 (log ${\varepsilon}$ 4.85), it was concluded that they are not suitable for fluorescent whitening agent applications.

Acknowledgement

Supported by : 산업통상자원부, 국민대학교

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