Formation of an Isomeric Mixture of Dienynes Instead of a Diallene
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OriginalversjonMolbank. 2020, 2020(2), M1133 https://doi.org/10.3390/M1133
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.