4292-90-4Relevant articles and documents
Alternative methods for production of alicyclic epoxides
Vereshchagina,Antonova,Abramov,Kopushkina, G. Yu.
, p. 207 - 212 (2014/07/22)
The salient and peculiar features of the oxidation of dicyclopentene and unsaturated alicyclic hydrocarbons with a medium-sized carbon ring into the corresponding epoxides have been studied. Organic hydroperoxides, aqueous hydrogen peroxide, and peracids have been used as oxidizing agents. The reactivity of the substrates in each of the oxidation processes under consideration has been estimated, and conditions providing a high epoxide yield have been chosen. The advantages and disadvantages of each process taking into account the problems of isolation of the desired product are considered. The results obtained allow the peracid method to be recommended for the synthesis of dicyclopentene epoxide as an effective and conve-nient for practical implementation. Pleiades Publishing, Ltd., 2014.
Dicyclopentadiene Oxidation. IV. Oxidation of 4,5- and 8,9-Dihydro-dicyclopentadiene
Schnurpfeil, D.,Lauterbach, G.
, p. 121 - 128 (2007/10/02)
A mixture of exo- and endo-4,5-dihydro-dicyclopentadiene 5 and also pure endo-8,9-dihydro-dicyclopentadiene 7 and pure exo-dicyclopentadiene 10 was oxidized in the absence and in the presence of catalysts.The compounds containing the norbornene structure mainly gave the corresponding exo-epoxides.No catalytic effects were observed in the formation of these norbornene epoxides.Compound 7 containing only the cyclopentene structure mainly yielded the corresponding hydroperoxide 9.In this case a catalytic effect of epoxidation catalysts was observed : in the presence of such catalysts the epoxide was increased. The results obtained prove the mechanism of dicyclopentadiene oxidation proposed by us.