Table 1.

Scope of indium-mediated allylation of aldehydes and ketones with 3.^a

entry	R1	R2	5	% yield 5
1		H	a	87
2		H	b	91
3		H	c	68
4		H	d	61
5		H	e	65
6		H	f	78b
7	CH3	CH3	g	92
8	CH3		h	89

^aReaction Conditions: 3 (2 equiv) aldehyde or ketone (1 equiv), TBAI (1 equiv) and indium metal (1.5 equiv) combined in DMF (2M) and stirred at room temperature for 4–6 h.

^bAnti:syn diastereomer ratio=5:1