Scope of the visible light-mediated ATRA reaction through reductive (RQ) and oxidative (OQ) quenching of 1^a,b.

Entry	Substrate	Route	Time/min	Product	Yieldc/(%)
1		RQ	10		91
		OQ	40		92
2		RQ	10		93
		OQ	40		93
3		RQ	60		43
		OQ	40		35
4		RQ	10		90
		OQ	40		94
5		RQ	40		76
		OQ	40		57
6		RQ	40		58
		OQ	80		74
7		RQ	15		22 (cis : trans 17 : 5)
		OQ	40		32 (cis : trans 25 : 7)
8		RQ	15		80
		OQ	40		91
9		RQ	20		62 (E : Z 42 : 20)
		OQ	80		81 (E : Z 65 : 16)
10		RQ	10		93
		OQ	40		89
11		RQ	30		43
		OQ	40		87
		RQ	30		26
12		RQ	15		98
		OQ	40		97
13		RQ	30		63
14d		RQ	45		49
		OQ	40		31
15		RQ	150		51 (E : Z 25 : 26)
		OQ	150		49 (E : Z 25 : 24)

^aReaction conditions: RQ: 0.5 mol% (1), TEA (0.34 equiv.), (1.33 equiv.), 4 : 3 MeCN : MeOH.

^bReaction conditions: OQ: 1.5 mol% (1), (1.33 equiv.), MeCN.

^cIsolated yield (%) after purification via silica gel column chromatography.

^dIntramolecular reaction. No external halide source was added.