Using J_PP to Identify Ni Bidentate Phosphine Complexes In Situ.

ABSTRACT: Identifying intermediates of Ni-containing reactions can be challenging due to the high reactivity of Ni complexes and their sensitivity toward air and moisture. Many Ni bidentate phosphine complexes are diamagnetic and can be analyzed in situ via ³¹P NMR spectroscopy, but the oxidation state of Ni is difficult to determine using ³¹P chemical shift analysis alone. The J-coupling between P atoms, J_PP, has been proposed to correlate with oxidation state, but few investigations have looked at how J_PP is affected by parameters such as length of the linker or identity of the phosphine or other ligands. The present investigation into the J_PP values of Ni bidentate phosphine complexes with two-carbon and thr

SUBMITTER: Hannigan MD 

PROVIDER: S-EPMC8937619 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature