Thermolyse et photolyse de cetones non saturees—XXVIII : Double thermocyclisation des bis(butene-3' yl)-3,3-et bis(butyne-3' yl)-3,3-cyclopentanones: [3.3.3]propellanones fonctionnalisees en 2,8,9 |
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| Authors: | J Drouin F Leyendecker JM Conia |
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| Abstract: | Two ββ-dialkenyl- and ββ-dialkynyl-cyclopentanones 3 and 5 were synthesised using mixed methyl or t-butyl magnesiocuprates R2MeCu(MgX)2 and R2t-BuCu(MgX)2, where R is the alkenyl or alkynyl residue. Their thermal cyclisation leads to 2,8,9-functionalised 3.3.3)propellanones. |
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