Heterocycles p. 1059 - 1065 (1999)
Update date:2022-07-31
Topics:
Nakamura, Yosuke
Kaneko, Masayoshi
Shinmyozu, Teruo
Nishimura, Jun
[2.n](2,5)Thiophenophanes (n = 3-5) having a cyclobutane ring were successfully synthesized by the intramolecular [2 + 2] photocycloaddition of α,ω-bis(5-vinyl-2-thienyl)alkanes. The yields, conformation, and dynamic behavior of the thiophenophanes were significantly dependent on the oligomethylene chain length, n.
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