Table 3.

Asymmetric Allylboration of Benzoyl Imines^a

entry	R	product	% yieldb	erc
1	Ph	9a	87	99:1
2	p-CH3-C6H4	9b	83	98:2
3	p-Br-C6H4	9c	86	97.5:2.5
4	p-CH3O-C6H4	9d	85	95:5
5d	p-F-C6H4	9e	94	98:2
6d	o-F-C6H4	9f	91	95.5:4.5
7d	m-CF3-C6H4	9g	89	97.5:2.5
8	2-C4H3O	9h	83	96:4
9	2-C4H3S	9i	81	95:5
10	2-naphthyl	9j	88	96:4
11	(E)-PhCH=CH	9k	82	95.5:4.5
12	PhCH2CH2	9l	83	99.5:0.5
13	c-C6H11	9m	80	98:2
14	t-Bu	9n	81	99.5:0.5
15	BnOCH2	9o	84	96.5:3.5
16	(Z)-EtCH=CH(CH2)2	9p	82	95.5:4.5

^aReactions were run with 0.5 mmol 4, 0.5 mmol imine, and 15 mol % catalyst and 3Å molecular sieves in toluene for 36 h under Ar, followed by flash chromatography on silica gel.

^bIsolated yield.

^cDetermined by chiral HPLC analysis.

^dReactions were run at 10 °C for 48 h.