Table 2. Enal substrate scope.

Entry	Producta		Yield (%)b
1		2	39
2		3	55
3		4	61
4		5	56
5		6	49
6		7	64
7		8	58
8		9	98
9		10	41
10		11	49

^a20 mol% D, 20 mol% base, 3Å MS, and 0.25M at 40°C.

^bisolated yield