Cycloaddition Reactions of 7-Benzylidene
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Philip Clements; George E. Gream; Paul K. Kirkbride; Simon M. Pyke
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Article
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2005
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John Wiley and Sons
🌐
German
⚖ 328 KB
## Abstract An (__E__)/(__Z)__ mixture (3 : 2) of 7‐benzylidenecycloocta‐1,3,5‐triene (**5**) is obtained when 1‐benzylcycloocta‐1,3,5,7‐tetraene (**7**), prepared by an improved procedure, is treated with __t__‐BuOK in THF. Alternatively, a __ca.__ 9 : 1 mixture (__E__)/(__Z__)‐**5** can be prepar