Table 1.
| |||
---|---|---|---|
dendrimer | reactant | product (R = ) | 1H NMR (δ)b/yield |
10 |
13a |
7.62 ppm
98% |
|
10 |
13b |
8.07 ppm
95% |
|
12 |
13c |
7.93 ppm
98% |
|
12 |
13d |
7.87 ppm
97% |
Reaction conditions: t-BuOH:H2O (1:1), 10 mol % Na ascorbate, 5 mol %CuSO4·5H2O. Microwave setting: Power-time control method, 100W, 10 min, Pmax= 65 psi, and Tmax= 100°C.
Chemical shift for the newly formed triazole protons.