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Reaction of oxiranes with lithium: deoxygenation leading to olefins

โœ Scribed by K.N. Gurudutt; B. Ravindranath


Publisher
Elsevier Science
Year
1980
Tongue
French
Weight
122 KB
Volume
21
Category
Article
ISSN
0040-4039

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โœฆ Synopsis


Mono-, di-, tri-and tetra-substituted epoxide8 undergo facile deoxyge. nation yielding olefine when treated with lithium in tetrabydrofuran. Aliphatic epoxidee yield olefins with the same stereochemistry as the parent compound.


๐Ÿ“œ SIMILAR VOLUMES


The reaction of lithium trialkylalkynylb
โœ Mikio Naruse; Kiitiro Utimoto; Hitosi Nozaki ๐Ÿ“‚ Article ๐Ÿ“… 1973 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 218 KB

In continuation of the studies on synthetic applications of trialkyl-l-alkynylborates (I), " 2 the present paper discloses a novel reaction of I with oxiranes II affording non-isolable intermediates III, from which we have obtained r-hydroxyketones V, trisubstituted olefins VI, and a tetrasubstitute

Deoxygenation of oxiran compounds to ole
โœ Takashi Itoh; Tetsuo Nagano; Mitsuo Sato; Masaaki Hirobe ๐Ÿ“‚ Article ๐Ÿ“… 1989 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 148 KB

The dianion complex [Fe4S4(SC6Hs)4] 2-caused deoxygenation reaction of oxiran compounds to olefins in the presence of NaBH4. The reduced form [Fe4S4(SR)4] 3-was suggested as an active reductant in this reaction.