Table 1 Dehalogenation of tert-butyl (4-chlorophenyl) carbamate

From: Extreme potential photocatalysis enabled by spin-exchange Auger processes in magnetic-doped quantum dots

Entry

Deviation from standard reaction conditions

Yield of 2aa

TON

1b

none

88%

88000

2

no light

0%

0

3

1 mW/cm2

7%

7000

4

150 mW/cm2, 18 h

93%

93000

5

no TAEA

8%

8000

6

in air

13%

13000

7

Toluene instead of DMPU

7%

7000

8

Mn2+C:CdS/ZnS (0.0005 mol%)

30%

60000

9

CdS/ZnS

17%

850

10

Mn2+I:CdS/ZnS

16%

800

11

4-CzIPN (10 mol%)

19%

1.9

12

[Ir(dFCF3ppy)2(dtbbpy)]PF6 (10 mol%)

21%

2.1

13

PDI (10 mol%)

0%

0

14

CdS, 150 mW/cm2, 18 h

21%

21000

  1. a NMR yield.
  2. b standard condition: 0.25 mmol substrate 1a was mixed with Mn2+C:CdS/ZnS (0.001 mol%) and TAEA (1.5 equiv.) in DMPU (0.25 M) under a N2 atmosphere. The reaction mixture was then exposed to blue LED irradiation (5 mW/cm2) 55 h.
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