Table 2.
Yield Comparison with Alternative Methods of Nitrile Dehydrationa
Method |
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---|---|---|---|---|
2% [Cu], DMMS, rt | 97% | 85% | 80% | 93% |
5% [Fe], DEMS, 100 °C6g | 85% | 23% | 75% | 49% |
5% [Fe], DEMS, rt | <5% | <5% | 24% | <5% |
POCl3, Et3N, rt | 98% | 27% | 38% | 42% |
T3P, 100 °C | 86% | 48% | 13% | 68% |
5% TBAF, PhSiH3, 100 °C6p | 87% | 8% | 62% | 47% |
5% TBAF, PhSiH3, rt | 7% | <5% | 16% | 5% |
Yields were assessed by GC analysis of the crude reaction mixture, using dodecane as an internal standard. See supporting information for reaction conditions and details.