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Synthesis of 3,4;7,8;9,10-tribenzobicyclo[4.2.2]deca-1,3,7,9-tetraene: A new strained bridgehead olefin

✍ Scribed by Mitsuo Toda; Keiji Okada; Masaji Oda

Publisher
Elsevier Science
Year
1988
Tongue
French
Weight
257 KB
Volume
29
Category
Article
ISSN
0040-4039

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✦ Synopsis

is%= : The title compound which incorporates a strained bridgehead double and highly deformed cis and trans stilbene structures in bicyclo[4.2.2]decane ring system was synthesized in good yield as an air-sensitive substance. Some reactions pertinent to strain were examined.

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(2R,4S,7R,9S)-5,6-Diisopropyl-1,10-dimet
(2R,4S,7R,9S)-5,6-Diisopropyl-1,10-dimethoxy-3,8-dimethyldeca-3,4,6,7-tetraene-2,9-diol
✍ Poonoth, Manojkumar ;Schürmann, Markus ;Preut, Hans ;Krause, Norbert 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 363 KB

The molecule of the title compound, C~20~H~34~O~4~, is centrosymmetric. In the crystal structure, a network of O—H...O hydrogen bonds result in each molecule being linked to four neighbouring molecules and a two-dimensional net is formed.