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Rearrangement of epoxides of αβ-unsaturated ketones


Publisher
Elsevier Science
Year
1967
Tongue
French
Weight
25 KB
Volume
23
Category
Article
ISSN
0040-4020

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📜 SIMILAR VOLUMES


Dioxirane Epoxidation of α,β-Unsaturated
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## 2-Cycloen-1 -ones / Caroate The synthesis of epoxides 3ar is achieved in excellent yields by reaction of the a,P-unsaturated ketones l a -c , 4,4'-disubstituted (E)-chalcones 1 d -0 , and 2'-hydroxy-4-substituted (E)chalcones l p -r with isolated dimethyldioxirane (2a) (as ac-etone solution) an

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The corresponding epoxides were isolated in excellent yields via oxygen transfer by dimethyldioxirane ( as acetone solution) . ## a&Unsaturated* ketones and esters are difficult to epoxidixe by peracid or metal-catalyzed methods. The use of

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## Abstract Attempted epoxidation of long‐chain α,β‐unsaturated esters resulted in the formation of the rearranged products of the corresponding epoxyesters. It was observed that reaction of peracids with esters of C~16~, C~18~ and C~22~ trans‐2‐enoic acids, instead of yielding the expected epoxide

Ketones: α,β-Unsaturated Ketones
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## Abstract For Abstract see ChemInform Abstract in Full Text.