Modified Methods for the Synthesis of Triazinyl Fluorescent Brightener Intermediates

doi:10.3390/80300318

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Molecules 2003, 8(3), 318-321; doi:10.3390/80300318

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Modified Methods for the Synthesis of Triazinyl Fluorescent Brightener Intermediates

Javad Safaei-Ghomi^1,* , Mahmood Tajbakhsh², Abdolhamid Bamoniri¹ and Ali Parach¹

¹ Department of Chemistry, Faculty of Sciences, University of Kashan, 51167 Kashan, I. R. Iran ² Department of Chemistry, Faculty of Sciences, University of Mazandaran, Babolsar, I. R. Iran

* Author to whom correspondence should be addressed.

Received: 18 August 2002; in revised form: 16 February 2003 / Accepted: 12 March 2003 / Published: 31 March 2003

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Abstract: The production of triazinyl fluorescent brightener intermediates in high yields is described. The method involves a simplified work-up for the preparation of 4-nitro-toluene-2-sulfonic acid and the use of diethylene glycol instead of water in the preparation of 4,4'-dinitrostilbene-2,2'-disulfonic acid.

Keywords: Triazinyl Fluorescent Brighteners; Sulfonation; Direct Separation

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MDPI and ACS Style

Safaei-Ghomi, J.; Tajbakhsh, M.; Bamoniri, A.; Parach, A. Modified Methods for the Synthesis of Triazinyl Fluorescent Brightener Intermediates. Molecules 2003, 8, 318-321.

AMA Style

Safaei-Ghomi J, Tajbakhsh M, Bamoniri A, Parach A. Modified Methods for the Synthesis of Triazinyl Fluorescent Brightener Intermediates. Molecules. 2003; 8(3):318-321.

Chicago/Turabian Style

Safaei-Ghomi, Javad; Tajbakhsh, Mahmood; Bamoniri, Abdolhamid; Parach, Ali. 2003. "Modified Methods for the Synthesis of Triazinyl Fluorescent Brightener Intermediates." Molecules 8, no. 3: 318-321.

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