Table 3.

Hydrogen–deuterium exchange studies

Entry	[7-OD2]SbF6	T [°]	C2–H/C2–D	C3–H/C3–D
1	yes	23	100:0	100:0
2[a]	yes	60	94:6	69:31
3	traces[b]	80	85:15	36:64
4	no[b]	100	75:25	32:68
5[a]	no	120	40:60	41:59
6[c]	–	120	85:15	32:68
7[d]	–	120	100:0	100:0

[a] Average of two runs. [b] Free para-cymene observed by ¹H NMR spectroscopic analysis. [c] [{RuCl₂(p-cymene)}₂] was excluded. [d] [{RuCl₂(p-cymene)}₂] and AgSbF₆ were excluded.