A Facile Synthesis of Alkyl Iodides and Deuterated Alkyl Iodides by Hydroiodination and Deuterioiodination of Olefins
Chlorotrimethylsilane/sodium iodide in the presence of water has been found as facile method for the hydroiodination of olefins to alkyl iodides under mild conditions.This procedure has successfully been extended to the preparation of deuterated alkyl iodides by using deuterium oxide in place of water.
Dicyclopentadiene Oxidation. IV. Oxidation of 4,5- and 8,9-Dihydro-dicyclopentadiene
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.
Schnurpfeil, D.,Lauterbach, G.
p. 121 - 128
(2007/10/02)
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