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. Author manuscript; available in PMC: 2014 Oct 7.
Published in final edited form as: Nat Commun. 2014 Apr 7;5:3470. doi: 10.1038/ncomms4470

Fig. 6.

Fig. 6

Synthesis of ligands and catalysts. DMF, N, N-dimethylformamide; DCM, dichloromethane; Dippf, bis(diisopropylphosphinyl)ferrocene; Tol, toluene; DMS, dimethylsulfide.