Table 1.

Carbene carbons data for 1–8 complexes.

	Complex	Au-C (δC) ppm
	1	171.8 a
	2	171.0 a
	3	169.1 b
	4	162.1 b
	5	172.0 b
	7 [13]	161.8 b
	6	170.2 b
	8 [5]	163.9 b

Solvent ^a CDCl₃ ^b DMSO-d₆.