Beilstein J. Org. Chem.2013,9, 36–48, doi:10.3762/bjoc.9.5
transformations.
Keywords: β-lactams; conjugated bisallenes; cyclopentenones; epoxidation; halogenaddition; hydrohalogenation; ionic additions; metalation; Introduction
Whereas the use of hexa-1,2,4,5-tetraene (1) and its derivatives in pericyclic reactions is well documented [2][3][4][5][6], relatively little
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Graphical Abstract
Scheme 1:
The alkylated conjugated bisallenes 1– 3 as model systems for polar reactions.