28. A Modular, Air-Stable Nickel Precatalyst Shields, J. D.; Gray, E. E.; Doyle, A. G. Org. Lett. 2015, 17, 2166−2169. [DOI: 10.1021/acs.orglett.5b00766] Link PDF jamie2020-09-22T00:51:23-07:00