Abstract
An improved and scalable synthesis of azulene has been developed by the application of pyrrolidine as a reagent and continuous steam distillation and extraction for workup. Applications for the coloration of perfluorinated media and silicones were demonstrated.
Subject
Organic Chemistry,Catalysis
Cited by
7 articles.
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1. Total Synthesis of Azulene Derivative, a Blue Pigment Isolated from Lactarius indigo, and Colorant Application of Its Aqueous Dispersion;Journal of Agricultural and Food Chemistry;2023-07-12
2. Modular Synthesis of Structurally Diverse Azulene‐Embedded Polycyclic Aromatic Hydrocarbons by Knoevenagel‐Type Condensation;Angewandte Chemie International Edition;2023-04-17
3. Modulare Synthese von strukturell diversen polyzyklischen aromatischen Kohlenwasserstoffen mit eingebetteten Azulenen durch Knoevenagelartige Kondensation;Angewandte Chemie;2023-04-17
4. Synthesis of Azulene Derivatives from 2H-Cyclohepta[b]furan-2-ones as Starting Materials: Their Reactivity and Properties;International Journal of Molecular Sciences;2021-10-01
5. Azulene‐Substituted Donor‐Acceptor Polymethines and 1,6’‐Bi‐, 1,6′;3,6′′‐Ter‐, and Quinqueazulenes via Zincke Salts: Synthesis, and Structural, Optical, and Electrochemical Properties;ChemPlusChem;2021-05-11