Table 2.
entry | alkene | alkene amt | product | L | time (h) | yield (%)a |
---|---|---|---|---|---|---|
1 | R = H | 60 psi b | 3 | 2b | 24 | 99 |
2 | R = Me | 120 psi | 2b | 24 | 98 | |
3 | R = Et | 120 psi | 2b | 24 | 96 | |
4 | R = (CH2)5CH3 | 10 equiv | 2b | 24 | 96 | |
5 | R = (CH2)3OH | 10 equiv | 2b | 24 | 98 | |
6 | R = (CH2)3OBn | 10 equiv | 2b | 40 | 95 | |
7 | R = (CH2)2CO2H | 10 equiv | 2a | 40 | 98 | |
8 | R = (CH2)4CO2Et | 10 equiv | 2a | 40 | 90 | |
9 | R = Ph | 15 equiv | 2b | 36 | 75 | |
10 | 120 psic | 2a | 48 | 72 | ||
11 | 20 equivc | 2b | 70 | 86d |
Yield of isolated, regiochemically pure material of >95% chemical purity.
Reaction temperature = 60 °C.
Catalyst loading = 10 mol %.
Single diastereomer formed, relative configuration not determined.