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. 2019 Nov 13;11(2):494–498. doi: 10.1039/c9sc05111b

Insertion into benzylic C–H Bonds.

graphic file with name c9sc05111b-u1.jpg
Entry Product R1 R2 Solvent Yield (%) er
1 11a Ph H CH2Cl2 60 97 : 3
2 11b a Ph OCH3 CH2Cl2 69 >99.5 : 0.5
3 11c 4-CNC6H4 OCH3 CH3CN 97 99 : 1
4b 11d 4-H3COC6H4 OCH3 CH2Cl2 98 99 : 1
5 11e 3-Pyridyl OCH3 CH3CN 82 94 : 6
6 11f CH3 OCH3 CH2Cl2 56 60 : 40
a

With Rh2(S-PTAD)4 as catalyst.

b

Catalyst added at rt.