Photoclick 1,3-DC
- 1. Aryl2 N
N
NN
Aryl1
N2 (nitrogen is released)
Tetrazole
Ultraviolet light triggers
1,3-dipolar cycloaddition reaction
(stapling reaction)
UV lamp irradiation
Alkene
Nitrile-imine
(dipole)
Aryl2 N
N
Aryl1
Alkyne
Aryl2 N
N
Aryl1
Aryl2 N
N
Aryl1
Pyrazole
(fluorescent
cycloadduct)
Pyrazoline
(fluorescent
cycloadduct)
Figure 1. Photoactivated 1,3-dipolar cycloaddition (or photoclick) reaction