Table 7.

Varying the radical precursors and acceptors in Cu(II) catalyzed addition to N-acylhydrazones.

entry	halide	hydrazone	catalyst load	% yieldb	% eec
1	iPrI	60a	1 equiv	66	95
2	i-PrI	60b	1 equiv	46	90
3	i-PrI	60c	1 equiv	53	81
4	EtId	60a	1 equiv	88	83
5	c-C5H9Id		1 equiv	86	84
6	c-C6H11Id		1 equiv	84	89
7	ClCH2Id		1 equiv	44e	95
8	iPrI		0.5 equiv	71	81
9	iPrI		0.2 equiv	83	58
10	iPrI		0.1 equiv	74	46

^aReaction conditions: see Table 6.

^bIsolated yield, %.

^cEnantiomeric excess, % (hexane:2-propanol, Chiralcel OD or AD).

^d10 equiv of alkyl halide was used.

^e56% recovery of unreacted hydrazone.