Table 3.
entry | product | yielda |
---|---|---|
1 | 3e | 75% |
2 | 3f | 82% |
3 | 3g | 95% |
4 | 3h | 95% |
5 | 3i | 92% |
6 | 3k | 96% |
7 | 3l | 88% |
8 | 3m | 91% |
9 | 3n | 74% |
10 | 3o | 76% |
11 | 3p | 57% |
Yields of the isolated products are an average of two runs and the products are estimated to be over 95% pure by 1H NMR spectroscopic and GC analysis.