Jean-Bernard Baudin, S. Julia, Y. Wang
1995
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Journal
Bulletin de la Société Chimique de France
Abstract
Substituted 4-(alk-2-ynylsulfinyl)morpholines : preparation and conversion into substituted allenes by hydrolytic desulfinylation. 4-(Alka-1,2-dienylsulfinyl)morpholines 1 were converted into the title compounds 2 by γ-deprotonation with methyllithium via a complex-induced proximity effect (CIPE) process, followed by reaction with electrophiles. Compounds 2 were hydrolysed or deuterolysed with loss of sulfur dioxide to provide the corresponding substituted allenes 5.