Scope of DDQ/TBN-catalyzed aerobic allylation of isochromans 6^a.

Entry	Product		Yield (%)
			8b	8′
1		8b	76	8
2		8c	80 (2.2 : 1)c	7
3		8d	72 (2.9 : 1)c	10
4		8e	50 (75)	14
5		8f	66 (90)	—
6		8g	48	42
7		8h	18 (30)	—
8		8i	33 (54)	—
9		8j	34 (49)	—
10		8k	41 (59)	—
11		8l	37 (52)	—
12		8m	12 (22)	—
13		8n	NRd	—
14		8o	NRd	—

^aReaction conditions: (i) 6 (0.37 mmol), DDQ (0.074 mmol), TBN (0.074 mmol), O₂, DCE (3.7 mL), 0 °C or rt, 36 h; (ii) allyltributyl stannane (0.75 mmol), LiPF₆ (0.19 mmol), MSA (0.075 mmol), 80 °C, 24 h.

^bIsolated yield. Yields in the parentheses are based upon recovered starting material.

^cOnly the diastereomeric ratio was obtained by the analysis of ¹H NMR spectrum.

^dNo reaction.