Formation of an Isomeric Mixture of Dienynes Instead of a Diallene
Attempts to convert 1,1,2,2,7,7,8,8-octaethoxyocta-3,5-diyne to a symmetric allene by reduction with lithium aluminum hydride failed. Instead reduction accompanied by isomerization occurred and afforded 1,1,2,7,8,8-hexaethoxyocta-2,6-dien-4-yne as a mixture of three isomers in 63% total isolated yield.
2016 ◽
Vol 15
(6)
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pp. 501-527
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1965 ◽
Vol 38
(8)
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pp. 1279-1285
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