. 2024 Feb 8;15(10):3741–3757. doi: 10.1039/d3sc06499a

¹H NMR yields obtained for each of the PCs in the different solvents for the pinacol coupling reaction^a.

	¹H NMR yield/%
	THF	DCM	DMF	MeCN
[Ru(bpy)₃](PF₆)₂	0^b	0^b	0^b	0^b
[Ir(ppy)₂(dtbbpy)]PF₆	52 ± 3^b	17 ± 1^b	50 ± 3^b	57 ± 1^b
[Ir(ppy)₂(dtbbpy)]PF₆	72 ± 1^c	37 ± 1^c	63 ± 1^c	68 ± 2^c
[Ir(dF(CF₃)ppy)₂(dtbbpy)]PF₆	53 ± 1^b	27 ± 2^b	29 ± 3^b	60 ± 3^b
[Ir(dF(CF₃)ppy)₂(dtbbpy)]PF₆	63 ± 0^c	44 ± 1^c	50 ± 3^c	56 ± 1^c
[Cu(dmp)(xantphos)]PF₆	64 ± 1^b	11 ± 1^b	14 ± 0^b	59 ± 1^b
[Cu(dmp)(xantphos)]PF₆	74 ± 1^c	48 ± 1^c	69 ± 2^c	68 ± 0^c
Eosin Y	2 ± 0^b	2 ± 1^b	4 ± 0^b	4 ± 1^b
Eosin Y	9 ± 1^c	21 ± 2^c	12 ± 2^c	33 ± 6^c
4CzIPN	28 ± 1^b	8 ± 1^b	10 ± 2^b	7 ± 2^b
4CzIPN	61 ± 2^c	45 ± 1^c	61 ± 3^c	67 ± 1^c
2CzPN	31 ± 1^c	11 ± 0^c	3 ± 1^c	2 ± 0^c

Yields determined by ¹H NMR analysis of the crude reaction mixture using 1,3,5-trimethoxybenzene as the internal standard. Yields provided are the sum of the meso:dl isomers and are the average yields of at least two independent runs with the standard deviation provided.

Reactions conducted for 2 h.

Reactions conducted for 24 h.

1H NMR yields obtained for each of the PCs in the different solvents for the pinacol coupling reactiona.

¹H NMR yields obtained for each of the PCs in the different solvents for the pinacol coupling reaction^a.