Gold-catalyzed cycloisomerization of [3]-cumulenols
The gold-catalyzed cycloisomerization of tetrasubstituted [3]-cumulenols has been investigated. Overall, two main pathways are followed. In the presence of gold(III) catalysts, a dehydration process prevails giving diastereomerically pure dienynes while g
Ferrand, Laura,Das Neves, Nicolas,Malacria, Max,Mouriès-Mansuy, Virginie,Ollivier, Cyril,Fensterbank, Louis
p. 53 - 57
(2015/03/30)
α,β-UNSATURATED KETONES IN SUBSTITUTIVE ADDITION WITH 2-ALKYLFURANS AND SOME TRANSFORMATIONS OF THE REACTION PRODUCTS
The substitutive addition of cyclic α,β-unsaturated ketones with 2-alkylfurans proceeds in the presence of catalytic amounts of sulfuric acid to give the corresponding furyl ketones.The latter were converted by Kishner reduction to cycloalkylfurans and were also converted to ethyleneketals, which form adducts with maleic anhydride.
Akhmedov, Sh. T.,Sadykhov, N. S.,Akhmedova, R. Sh.,Zefirov, N. S.
p. 1158 - 1161
(2007/10/02)
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