Table 1.
Product | Precursor | X | Y | Z | B | Yield (%) |
---|---|---|---|---|---|---|
7a | 2a | H | H | H | Gi-Bu | 95 |
7b | 2b | Me | H | H | Gi-Bu | 86 |
7c | 2c | H | H | H | GPhOAc | 77 |
7d | 2d | Me | H | H | GPhOAc | 63 |
7e | 6a | H | OMe | OMe | APhOAc | 88 |
7f | 6b | Me | H | H | APhOAc | 92 |
7g | 6c | H | H | H | CPhOAc | 92 |
7h | 6d | Me | H | H | CPhOAc | 91 |
7i | 6e | H | H | H | U | 86 |
7j | 6f | H | H | H | ABz | 82 |