Table 4.
Carboamination of aliphatic imides and amides.a
entry | substrate | product(s) | yieldb(selectivity) | |
---|---|---|---|---|
1 |
![]() 17 |
![]() 18 |
81% | |
2c,d |
![]() 19 |
![]() 20 |
![]() 21 |
70%(20:21 = 1.6:2) |
3c,e |
![]() 22 |
![]() 23 |
![]() 24 |
83%(23:24 = 3.3:1) |
4c,e |
![]() 25 |
![]() 26 |
![]() 27 |
79%(26:27 = 3.4:1) |
5c |
![]() 28 |
![]() 29 |
56% | |
6 |
![]() 30 |
![]() 31 |
81% | |
7c |
![]() 32 |
![]() 33 |
74% |
Conditions. Substrate in DMF (0.1 M) was treated with Cu(EH)2 (3 equiv) and Cs2CO3 (1 equiv). The mixture was heated to 120 °C for 24 h in a pressure tube.
Yields refer to the sum of products isolated by chromatography on SiO2. The remainder of the material was either starting olefin or olefin-isomerized starting material.
Heated to 190 °C.
Reaction run for 72 h.
tbutyl benzene was used as solvent.