Synthesis of isomers of rhodamine 575 and rhodamine 6G as new laser dyes

✍ Scribed by Claudine Scala-Valéro; Denis Doizi; Gérald Guillaumet

• Publisher: Elsevier Science
• Year: 1999
• Tongue: French
• Weight: 168 KB
• Volume: 40
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(99)00914-4

✦ Synopsis

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.