Nickel/Photocatalytic

Yadong Gao20180613

MLCT, metaltoligand charge transfer

Photoexcitation

Photoredox catalysis - Wikipedia https://en.wikipedia.org/wiki/Photoredox_catalysis

Intersystem crossing

Chem. Soc. Rev., 2017, 46 , 6227--6240

Ni

Science, 2016, 352(6291): 1304-1308.

Gary A. Molander* J. Am. Chem. Soc. 2016, 138, 39, 12715-12718

Abigail G. Doyle* J. Am. Chem. Soc. 2016, 138, 39, 12719-12722

Asian Journal of Organic Chemistry, 2017, 6(6): 669-672.

trace

No. 1

O

S

Only NiCl2(dtbbpy) exhibited absorption around 365 nm

purple color

maximum absorptions at 346 and 535 nm (Figure 1), which are ascribed to a reduced nickel species. GC-MS analysis of the reaction mixture confirmedthe generation of 2,2-diphenylethane as a byproduct, Suggesting that toluene serves as the reductant.

J. Am. Chem. Soc. 2018, 140, 3035−3039

No. 2

No. 3

Angew. Chem. Int . Ed. 2018, 57, 1 – 6

No. 4

Org. Process Res. Dev. 2016, 20, 9, 1576-1580

50%, 40%, and 70%

No. 5

Thanks