Table 2. Scope of the reaction a .
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aReactions were performed with 1 (150 μmol, 1 eq.) and 2 (3 eq.) in degassed DMA (2 mL) under a nitrogen atmosphere. If not noted otherwise, the numbers indicate isolated yields.
bGC-yield of the corresponding decarboxylated side-product 4 determined by GC-FID analysis with n-decane as internal standard.
cIsolated yield of the corresponding decarboxylated side-product 4.
dRecovered starting material 1 after complete reaction time.
eMixture of syn- and anti-product was obtained.
f trans-Styrylacetic acid rather than α-vinylphenylacetic acid was used as starting material.
gObserved by GC-MS, not isolated.
hAcetone/DMA (1 : 1) was used as solvent.