Table 4.
Entry | R | R′ | NuH | Yield [%][b] |
---|---|---|---|---|
1 | Ph | H | PhNH2 | 75 (7a) |
2 | Ph | H | p-MeOC6H4NH2 | 79 (7b) |
3 | Ph | H | p-NO2C6H4NH2 | 72 (7c) |
4 | Ph | H | PhCH2NH2 | 75 (7d) |
5 | Ph | H | Ph2NH | 79 (7e) |
6 | Ph | H | nBuNH2 | 75 (7f) |
7 | Ph | H | Morpholine | 77 (7g) |
8 | Ph | H | Ph(CH 2)3OH | 65 (7h) |
9 | p-MeC6H4 | H | PhNH2 | 82 (7i) |
10 | o-MeC6H4 | H | PhNH2 | 75 (7j) |
11 | p-ClC6H4 | H | PhNH2 | 72 (7k) |
12 | p-MeOC6H4 | H | PhNH2 | 80 (7l) |
13 | 2-naph | H | PhNH2 | 77 (7m) |
14 | Ph | CH3 | PhNH2 | 56 (7n) |
15 | PhCH=CH | H | PhNH2 | 65 (7o) |
Stoichiometry N-Tosylhydrazone:NuH = 1:3, PTA used.
Isolated yields after column chromatography.