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Methine and azamethine dyes derived from 2-pyridone

✍ Scribed by K.A. Bello


Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
474 KB
Volume
28
Category
Article
ISSN
0143-7208

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Fluorescein dyes derived from 2-methylre
✍ Burton, H. ;Kurzer, F. πŸ“‚ Article πŸ“… 1948 πŸ› Wiley (John Wiley & Sons) βš– 395 KB

## Abstract A homologue of fluorescein and a number of its derivatives have been prepared by the condensation of 2‐mcthylrcsorcinol with phthalic and substituted phthalic anhydrides. Bromination and iodination of 4 :5‐dimcthylfluorcsccin have given compounds corresponding to the dyes eosin and cryt