Table 1.

CO₂ hydrogenation in the presence of silylhalides.

Ent	Solv.	Silylhalide[a]	base[a]	t [h]	Major product	Yield[b]
1	C6D6	Me3SiCl	Lut	20	‐	<1 %
2	CDCl3	Me3SiCl	Lut	20	‐	<1 %
3	C6D6	Me3SiBr	Lut	40	MeOSiMe3	83 %
4	CDCl3	Me3SiBr	Lut	60	MeOSiMe3	73 %
5	C6D6	Me3SiI	Lut	60	13CH4	76 %
6	CDCl3	Me3SiI	Lut	20	13CH4	85 %
7	C6D6	Et3SiI	Lut	60	(Et3SiO)2 13CH2	72 %
8	CDCl3	Et3SiI	Lut	40	13CH3I	82 %
9	C6D6	Et3SiI	Col	40	(Et3SiO)2 13CH2	8 %
10	CDCl3	Et3SiI	Col	40	MeOSiEt3	9 %

[a] 0.05 mmol silylhalide and Lewis base were added; Lut=2,6‐lutidine; Col=2,4,6 collidine. [b] Yields are determined by ¹H NMR spectroscopy using 10 μL toluene as internal standard.