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Ring expansion of 3-methoxy-6-vinyl-7,8,9,10-tetrahydro-6(5H)-benzocyclooctenol

✍ Scribed by Thies, Richard W.; Meshgini, Mehdi; Chiarello, Ronald H.; Seitz, E. Philip

Book ID
126294476
Publisher
American Chemical Society
Year
1980
Tongue
English
Weight
442 KB
Volume
45
Category
Article
ISSN
0022-3263

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✍ Bigdeli, M. Ali ;Mahdavinia, Gholam Hossein ;Amani, Vahid 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 646 KB

The title compound, C 23 H 25 BrO 3 , was synthesized by the reaction of p-bromobenzaldehyde with dimedone and HClO 4 / SiO 2 in EtOH. In the molecule, the dihydropyran ring adopts a boat conformation and the two cyclohexene rings are in a trans conformation.