Table 3.
| ||||
---|---|---|---|---|
entry | amide | solvent, T, base | major product | yield, % |
1 | t-Amyl-OH 90 °C, Cs3PO4 | 79 | ||
2 | t-Amyl-OH 90 °C, Cs3PO4 | 81 | ||
3 | t-Amyl-OH 90 °C, CS3PO4 | 63 all-cis 16 cis-trans | ||
4 | Neat 90 °C, AgOAc | 69 all-cis 13 cis-trans | ||
5 | t-Amyl-OH 90 °C, Cs3PO4 | 52 all-cis only | ||
6 | t-Amyl-OH 110 °C, Cs3PO4 | 52 | ||
7 | t-Amyl-OH 90 °C, Cs3PO4 | 76 | ||
8 | Neat 90 °C, AgOAc | 64 |
Amide (1 equiv), Pd(OAc)2 (0.05 equiv), base (1.5-3.3equiv), and ArI (2-4 equiv) Yields are isolated yields. See the Supporting Information for details.