Table 1.
entry | nucleophile | product | temp (°C) | time (h) | yield (%)a |
---|---|---|---|---|---|
1 | X = NMe (1) | 60 | 2 | 99b | |
2 | X = O | 100 | 48 | 98 | |
3 | X = CH2 | 80 | 48 | 42 | |
4 | 60 | 24 | 100 | ||
5 | TsNMeH | 100 | 24 | 99 | |
RNH2 | |||||
6 | R = Ts | 100 | 48 | 78 | |
7 | R = 4-MeOC6H4SO2 | 100 | 24 | 80c | |
8 | R = Cbz | 100 | 72 | 23 |
Isolated material of >95% purity.
One equivalent of allyl alcohol employed.
N,N-Diallyl-4-methoxybenzenesulfonamide was also isolated in 20% yield.