Table 1.
Cycloaddition reaction | Irradiation wavelength |
Irradiation time |
Rate constant (k2) (solvent) |
---|---|---|---|
Tetrazole–alkene | 405, 700 nm (2PE) |
~ 1 min | 3.4 × 104 M−1 s−1 (1:1 PB/ MeCN) |
Azirine–alkene | 302 nm | 2 min | 0.0379 M−1 s−1 (1:1 PBS/ MeCN) |
3-Hydroxy-2-naphthalenemethanol- vinyl ether |
300, 350 nm | 3–20 min | 4–6 × 104 M−1 s−1 (1:1 PB:MeCN) |
o-Methyl phenyl ketone/aldehyde- alkene |
320 nm | 2 h | Not determined |
Cyclopropenone-azide | 350 nm | 1 min | 7.6 × 10−2 M−1 s−1 (MeOH) |