2003•MoleculesOpen access

Modified Methods for the Synthesis of Triazinyl Fluorescent Brightener Intermediates

Javad Safaei‐Ghomi, Mahmood Tajbakhsh, Abdolhamid Bamoniri, Ali Parach

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.

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Available abstract

Key concepts: Toluene, Sulfonic acid, Diethylene glycol, Chemistry, Fluorescence, Organic chemistry, Ethylene glycol, Physics