Table 7.
Entry | Catalyst loading, mg | Substrate/Pd (mol/mol) | P (H2), atm. | Conv., % | TOF, h−1 | Product distribution, % |
---|---|---|---|---|---|---|
1 | 1 | 3005 | 10 | 99.5 | 11955 | Dihydrodicyclopentadiene 42 % Tetrahydrodicyclopentadiene 55.5 % Retro‐diene decay 2.5 % |
2 | 0.5 | 6010 | 10 | 99.5 | 23910 | Dihydrodicyclopentadiene 69 % Tetrahydrodicyclopentadiene 17.5 % Retro‐diene decay 13.5 % |
3 | 0.5 | 18020 | 10 | 98 | 70645 | Dihydrodicyclopentadiene 66 % Tetrahydrodicyclopentadiene 4 % Retro‐diene decay 30 % |
4 | 0.5 | 24030 | 10 | 94 | 90350 | Dihydrodicyclopentadiene 94 % Tetrahydrodicyclopentadiene 4.5 % Retro‐diene decay 1.5 % |
5 | 0.5 | 48060 | 10 | 41 | 59115 | Dihydrodicyclopentadiene 95 % Tetrahydrodicyclopentadiene 3 % Retro‐diene decay 2 % |
6 | 0.5 | 48060 | 30 | 70 | 100925 | Dihydrodicyclopentadiene 90 % Tetrahydrodicyclopentadiene 9 % Retro‐diene decay 1 % |
7 | 0.5 | 64080 | 10 | 13 | 24990 | Dihydrodicyclopentadiene 90.5 % Tetrahydrodicyclopentadiene 2.5 % Retro‐diene decay 7 % |
8 | 0.5 | 64080 | 30 | 51 | 98040 | Dihydrodicyclopentadiene 93 % |
Tetrahydrodicyclopentadiene 5 % | ||||||
Retro‐diene decay 2 % |
[a] Reaction conditions are: 80 °C, 15 min.