180
+
7 mol % Acr
+ -Mes ClO 4
-
8 mol % Co(dmgH) 2 Cl 2
CH 3 CN, blue LEDs
N 2 , r.t.
+ H 2
87
88
89
N
N
Co
N
N
O
O
H
O H
O H
Cl
N
Co(dmgH) 2 pyCl
N
Me
Me
Me
ClO 4
Acr
+ -Mes ClO 4
-
H
R 2
R 3
R 1
H 2 O
R 2
O
R 3
R 1
H
R 2
R 3
R 1
H 2 O
H
R 2
R 3
R 1
O
H H
R 2
OH
R 3
R 1
R 2
R 3
R 1
OH
-e -
-H
+
90
91
92
93
fa v o re d
d is fa vo re d
-H
+
-H +
tautomerism
-e -
Scheme 5.35 Photocatalytic anti-Markovnikov oxidation of styrenes
Scheme 5.36 Visible-light-driven synthesis of enol ethers and N-vinylazoles
W. Ai et al.
+
7 mol % Acr
+ -Mes ClO 4
-
8 mol % Co(dmgH) 2 Cl 2
CH 3 CN, blue LEDs
N 2 , r.t.
+ H 2
87
88
89
N
N
Co
N
N
O
O
H
O H
O H
Cl
N
Co(dmgH) 2 pyCl
N
Me
Me
Me
ClO 4
Acr
+ -Mes ClO 4
-
H
R 2
R 3
R 1
H 2 O
R 2
O
R 3
R 1
H
R 2
R 3
R 1
H 2 O
H
R 2
R 3
R 1
O
H H
R 2
OH
R 3
R 1
R 2
R 3
R 1
OH
-e -
-H
+
90
91
92
93
fa v o re d
d is fa vo re d
-H
+
-H +
tautomerism
-e -
Scheme 5.35 Photocatalytic anti-Markovnikov oxidation of styrenes
Scheme 5.36 Visible-light-driven synthesis of enol ethers and N-vinylazoles
W. Ai et al.