The intramolecular cyclization of 7a–7k^a.

Entry	R	Product	Time (h)	Yieldb (%)
1	H 7a	8a	8	81
2	4-OCH37b	8b	12	80
3	3-OCH37c	8c	12	72
4	2-OCH37d	8d	12	73
5	4-CF37e	8e	48	84
6	4-Cl 7f	8f	12	56
7	3-Cl 7g	8g	24	80
8	2-Cl 7h	8h	12	58
9	4-CN 7i	8i	24	90
10	4-NO27j	8j	24	83
11	4-Br 7k	8k	12	78

^aReaction conditions: 0.45 mmol 7; 3d (5 mol% Au), and 5 mol% AgOTf; 4 mL toluene; argon atmosphere.

^bIsolated yield.