Table 1.
Compound | Time | % Yields | ||
---|---|---|---|---|
Conventional | MWAM | Conventional | MWAM | |
3 | 48 h 1 | 30 min 2 | 25 3 | 78 3 |
6 | 2 h | 10 min | 25 4 | 64 4 |
7 | 2 h | 10 min | 40 4 | 82 4 |
1 A 1:1 ratio of starting materials 1 and 2 was used. 2 A 2:1 ratio of starting materials 1 and 2 was used. 3 Percantage yield was calculated from the amount of 4-(chlorosulfonyl)benzoic acid (2) used. 4 Percentage yield was calculated from the amount of amantadine (1) used.