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Synthesis and absolute configuration of tricyclo(4,4,0,03,8) dec-4-ene (twistene)

✍ Scribed by M. Tichý; J. Sicher

Publisher
Elsevier Science
Year
1969
Tongue
French
Weight
211 KB
Volume
10
Category
Article
ISSN
0040-4039

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## Abstract The synthesis of 2,7,9‐trimethylenetricyclo[4.3.0.0^3,8^]nonane (8), 7,9‐dimethylenetricyclo[4.3.0.0^3,8^]nonan‐2‐one (15), and 2,9‐dimethylenetricyclo[4.3.0.0^3,8^]non‐4‐ene (9) has been achieved. The first key step of the synthesis is a Diels‐Alder reaction. In the reaction sequence a