Table 1.

The basic set of η⁶-arene/N-sulfonyldiamine-Ru^II catalysts and their representative reactions.

Entry	Catalyst	Substrate	Product	S/C [a]; Time; Temp.; Conversion (%)	% ee (config) [b]	Ref. [c]
1	(R,R)-1a			200; 0.5 h; 28 °C; 100	97 (R)	[26]
2	(S,S)-1b			200; 3 h; 28 °C; 99	95 (R)	[53]
3	(R,R)-1b [d]			100; 20 h; 28 °C; > 99	97.7 (R)	[57]
4	(S,S)-1c			200; 20 h; 28 °C; 99	98 (S)	[54]
5	(S,S)-1c [d]			200; 15 h; r.t.; 99	97 (S)	[52]
6	(R,R)-1d			200; 7 h; 28 °C; 99	96 (R)	[26]
7	(S,S)-1e			200; 8 h; 28 °C; 99	84 (R)	[53]
8	(R,R)-1f			200; 12 h; 28 °C; 99	92 (S)	[53]

^[a] Molar ratio substrate/catalyst; ^[b] See corresponding references for details on determination of ee and product configuration; ^[c] Reference containing data for a given entry; ^[d] Catalyst was formed in situ from the [RuCl₂(η⁶-arene)]₂ dimer and the corresponding N-arylsulfonylethylene-1,2-diamine.