Biomedical Engineering Reference
In-Depth Information
SCHEME 3.12
Asymmetric cycloaddition reaction of vinyl ethers and
β
,
γ
-unsaturated
ketoesters to generate dihydropyrancarboxamides.
SCHEME 3.13
Hetero-Diels-Alder cycloaddition reaction of
N
-alkenyl iminium ions
with alkenes followed by nucleophilic addition of tetrahydropyridinium ion cycloadduct
intermediates.
