. 2014 Jul 31;16(16):4220–4223. doi: 10.1021/ol501925f

Table 1. Enantioselective Indanone Protonation.

entry	R¹	R²	product	yield (%)^a	ee (%)^b
1	H	H	1	85	81
2	H	Br	2	86	97
3	Br	H	3	88	94
4	H	OTBS	4	82	78
5	OTBS	H	5	81	7
6	OMe	H	6	84	4
7	OBz	H	7	86	87
8	H	OBz	8	86	98
9	OTroc	H	9	27	97
10	H	OTroc	10	27	98

Isolated yields over two steps.

Determined by chiral-HPLC or SFC.