Table 1.

Catalytic results for the hydrosilylation of 1‐octene with different catalysts.

Entry	Catalyst	Silane	T [K]	t [h]	X[a] [%]	Product selectivity [%]
						1	2	3
1[b]	1.0 Rh/CeO2	Et3SiH	393	2	98	96	4	–
2	1.0 Rh/CeO2	–	393	2	n.d.[f]	–	–	–
3	1.0 Pt/CeO2	Et3SiH	393	2	99	40	58	2
4	1.0 Pt/CeO2	–	393	2	n.d.	–	–	–
5	1.0 Ru/CeO2	Et3SiH	393	2	99	1	99	–
6	1.0 Ru/CeO2	–	393	2	<1	–	–	–
7	5.0 Rh/CeO2	Et3SiH	393	5	99	94	6	–
8	10Rh/CeO2	Et3SiH	393	5	53	93	6	1
9	1.0 Rh/CeO2 [c]	Et3SiH	393	5	99	81	19	–
10	Rh2O3 [d]	Et3SiH	393	5	79	97	2	1
11	Rh/C[e]	Et3SiH	393	5	40	70	27	3

Reaction Conditions: 1‐octene (5 mmol ), triethylsilane (5 mmol), catalyst (2 μmol, metal basis), P=10 bar (N₂, 99.999 % purity). [a] Olefin conversion. [b] The ¹H NMR spectra of the crude product is given in Figure S16 (Supporting Information). [c] Catalyst activated by reduction at 623 K in flow of 20 % H₂/N₂. [d] As received from Sigma–Aldrich (99.8 % purity). [e] As received from Sigma–Aldrich, 5 wt %Rh. [f] n.d.: not detected.