✦ LIBER ✦
Highly Photostable Organic Fluorescent Pigments - A Simple Synthesis of N-Arylpyrrolopyrrolediones (DPP)
✍ Scribed by Langhals, Heinz ;Grundei, Thomas ;Potrawa, Thomas ;Polborn, Kurt
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 461 KB
- Volume
- 1996
- Category
- Article
- ISSN
- 0947-3440
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✦ Synopsis
Abstract
N‐Arylpyrrolopyrrolediones 1b‐g are prepared by the condensation of the corresponding lactones 2 and 5 with arylamines in the presence of dicyclohexylcarbodiimide. Bright red dye pigments are obtained with an intense red to orange solid‐state fluorescence.