TABLE 1.
Yields of 5R and 5S-SP using tin tetrachloride
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|---|---|---|---|---|---|
| Entry | Compound | 5R/5S | R1 | Reagent | Yields |
| 1 | 1 | 5R | H | SnCl4 | 45–55 |
| 2 | 3 | 5R | Ac | SnCl4 | 98 |
| 3 | 5 | 5S | H | SnCl4 | 40–50 |
| 4 | 6 | 5S | Ac | SnCl4 | 95 |
| 5 | 14 | Thymidine | Ac | SnCl4 | 93 |
| 6 | 9 | 5R | Ac | SnCl4 | 95–98 |
Yields of 5R and 5S-SP using tin tetrachloride
![]() | |||||
|---|---|---|---|---|---|
| Entry | Compound | 5R/5S | R1 | Reagent | Yields |
| 1 | 1 | 5R | H | SnCl4 | 45–55 |
| 2 | 3 | 5R | Ac | SnCl4 | 98 |
| 3 | 5 | 5S | H | SnCl4 | 40–50 |
| 4 | 6 | 5S | Ac | SnCl4 | 95 |
| 5 | 14 | Thymidine | Ac | SnCl4 | 93 |
| 6 | 9 | 5R | Ac | SnCl4 | 95–98 |