Table 2.

DBU mediated incorporation of ¹¹CO₂: scope^a

entry	product	%yieldb
1		60
2		48
3		16
4		7 16c
5		4
6		77±8d 33c
7		33 11c
8		12 69c
9		6
10		<1

^[a]All reactions were carried out with 100 mM of amine, alkyl chloride, and DBU in 300 μL of DMF.

^[b]Average radiochemical yield of two or more reactions.

^[c]Radiochemical yield for the corresponding alkyl bromide.

^[d]mean ± stdev (n = 10).