Table 1.

Selected ¹H and ¹³C NMR signals for compound 2 dissolved in CDCl₃ [ppm]. Ni, Pd, and Pt complexes show similar chemical shifts compared to the PtDMSO complex for signals 1–4 [18]. Chemical shifts differ from those observed for Ru and Os compounds [50].

No. *	Signal	L21	Ni2	Pd2	Pt2	Ptdmso22	Ru21	Os22
1	=C-H	6.97	7.16	7.16	7.14	7.35	6.64	6.87
2	-C=S	217.3	181.4			180.9	185.9	186.7
3	=C-H	112.9	115.1	113.0	112.5	112.9	113.4	112.7
4	-C-O-	169.1	178.1	178.1		174.2	179.0	174.9

* The atoms responsible for signals 1–4 are depicted in Scheme 1. ^{1, 2} Signals/values reproduced from [18] or [50] with permission of the Royal Society of Chemistry and from the authors, respectively.