《Design, synthesis and photophysical properties of novel star-shaped truxene-based heterocycles utilizing ring-closing metathesis, Clauson-Kaas, Van Leusen and Ullmann-type reactions as key tools》 was written by Alvi, Shakeel; Ali, Rashid. Electric Literature of C6H12O3This research focused ontruxene preparation; Clauson–Kaas reaction; Ullmann-type coupling; Van Leusen reaction; heterocycles; ring-closing metathesis; truxene. The article conveys some information:
Herein, three novel distinctly different routes for the generation of C3-sym. pyrrole-based truxene architectures I [R = NH2, 4-CHOC6H4, pyrrol-1-yl, etc.] by means of cyclotrimerization, ring-closing metathesis (RCM), Clauson-Kaas and Ullmann-type coupling reactions as key steps was revealed. Moreover, some other interesting heterocyclic systems possessing oxazole, imidazole, benzimidazole and benzoxazole in the framework of truxene were also assembled. Addnl., the preliminary photophys. properties (absorption and emission) for these versatile systems was revealed. After reading the article, we found that the author used 2,5-Dimethoxytetrahydrofuran(cas: 696-59-3Electric Literature of C6H12O3)
2,5-Dimethoxytetrahydrofuran(cas: 696-59-3) is a member of ether. Friedel Crafts reaction, for example, adds an alkyl or acyl group to aromatic ethers when they react with an alkyl or acyl halide in the presence of a Lewis acid as a catalyst.Electric Literature of C6H12O3
Referemce:
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem