T. Sone, Kazuaki Sato, Y. Umetsu
Aug 1, 1994
Citations
0
Influential Citations
10
Citations
Journal
Bulletin of the Chemical Society of Japan
Abstract
Unsymmetrically substituted 2,4-diaryl- and 2,3-diarylthiophenes were synthesized from 2,5-dichlorothiophene via 4-aryl-2-chlorothiophenes in two and four steps including Ni-mediated cross-coupling, respectively. Aluminum chloride-catalyzed reaction of 3-aryl-2-chlorothiophenes with some aromatic ethers unexpectedly led to the formation of the corresponding 2,4-isomers.