Organometallics
Article
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(18) For further X-ray structures of phosphinesulfonato complexes,
see ref 11c and references cited therein.
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(20) κ-S-dmso: electron poor and bulky [κ2-(P,O)-P[o-(2′-6′-
(OMe)2C6H3)-C6H4]2(o-SO2O-C6H4)PdMe]-dmso.21a κ-O-dmso: less
bulky, electron rich Pd complexes,21b neutral phosphinesulfonato
Ni(II) complex,21a and bulky diazaphospholidine sulfonato Pd(II)
complexes.22 DFT calculations gave an energy difference of only 4 kJ
mol−1 between the two coordination modes for complex 1c-dmso.28
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dx.doi.org/10.1021/om400297x | Organometallics XXXX, XXX, XXX−XXX