Substrate scope of the selective functionalization of various α-ketoalkylsilyl peroxides 1 with methacrylamide 7^a.

Entry	α-Ketoalkylsilyl peroxide 1	Product 8	Yieldb (%)
1	1b (n = 1)	8b	77
2	1a (n = 2)	8a	95
3	1c (n = 3)	8c	90
4	1d (n = 4)	8d	84
5			65
6	1f (R = H)	8f	89
7	1g (R = Me)	8g	20 (15)c
8	1g (R = Me)	8g	57d (40)c,d
9			18 (0)c
10			37e (43)c,e
11			46 (99)e
12			52 (86)e
13			73
14			0 (27)f

^aUnless otherwise specified, the reactions were carried out in the presence of 1 (0.4 mmol), 7 (0.2 mmol), Fe(acac)₃ catalyst (0.04 mmol), 1,10-phen ligand (0.04 mmol) in DMSO (1 mL) at 40 °C for 4 h.

^bIsolated yield.

^cThe yield of decarbonylation product 9g or 9h.

^dFor 24 h.

^eFor 12 h.

^fAt 80 °C for 16 h.