Table 2: Hydrogenation of alkenes at 4 atm of .

EntryCat.Alkene /minbTOFc

1Pd(0)/SiO2/HFd1-hexene12158
2Pd(0)/SiO2/HFe1-decene1074
3Pd(0)/SiO2/HFfcyclohexene4960
4Pd(0)/SiO2/HClg1-hexene31425
5Pd(0)/SiO2/HClh1-decene35189
6Pd/C (5%)1-decene68

Reaction conditions: temperature 75°C, constant hydrogen pressure (4 atm), solvent less. bTime for 100% conversion. cTOF based on total metal (mmol hydrogenated product formed per mmol of Pd per minute) for 20% conversion. dPd(0)/SiO2/HF (50 mg, 2.0% of Pd(0)), 12 mmol of alkene. ePd(0)/SiO2/HF (50 mg, 2.0% of Pd(0)), 7 mmol of alkene. fPd(0)/SiO2/HF (50 mg, 2.0% of Pd(0)), 12 mmol of alkene. gPd(0)/SiO2/HCl (50 mg, 0.3% of Pd(0)), 12 mmol of alkene. hPd(0)/SiO2/HCl (50 mg, 0.3% of Pd(0)), 7 mmol of alkene. gPd/C (50 mg, 5.0% of Pd(0)), 7 mmol of alkene.