Synthesis of isomers of rhodamine 575 an
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Claudine Scala-Valéro; Denis Doizi; Gérald Guillaumet
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Article
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1999
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Elsevier Science
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French
⚖ 168 KB
Two new laser dyes of the rhodamine family, substituted at C-1 and C-8, were prepared by condensation of phthalic anhydride with 3-ethylamino-5-methylphenol. Two methodologies have been investigated for the preparation of the latter.