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| |||
|---|---|---|---|
| R1 | R2 | R3 | |
| TK1 | -Et | -H | -CH2-O-Si(Me)2-t-Bu |
| TK2 | -Et | -H | -CH2OH |
| TK3 | -Et | -Me | -Me |
| TK3A | -H | -Me | -Me |
| TK4 | -Et | -H | -n-Pr |
| TK4A | -H | -H | -n-Pr |
| TK5 | -Et | -H | -benzyl |
| TK5A | -H | -H | -benzyl |
| TK6 | -Et | -H | -Me |
| TK6A | -H | -H | -Me |
| TK7 | -Et | -H | -Octyl |
| TK7A | -H | -H | -Octyl |
| TK8 | -Et | -Et | -Et |
| TK8A | -H | -Et | -Et |
| TK9 | -Et | -Me | -CH2Br |
| TK9A | -H | -Me | -CH2Br |
