Online article for Non-subscribers

Pay per view

Heterocycles has a pay-per-view service for Non-subscribers.
You will be able to directly purchase the full text article through PayPal.
Your purchased Paper can be downloaded after the payment is completed.
An e-mail will be sent the URL to download the paper.
If you have any questions, please contact: purchase@heterocycles.com

Price: ¥ 4,400 (Yen only)
Period: This Article can be accessed for 7 days.

Paper | Regular issue | Vol 51, No. 5, 1999, pp.1059-1065
Published online, 1st January, 1970
DOI: 10.3987/COM-99-8483
Synthesis of [2.n]Thiophenophanes by Intramolecular [2+2] Photocycloaddition

Yosuke Nakamura, Masayoshi Kaneko, Teruo Shinmyozu, and Jun Nishimura*

*Department of Chemistry, Faculty of Engineering, Gunma University, 1-5-1 Tenjin-cho, Kiryu 376-8515, Japan

Abstract

[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.