N. Aljalal et al., 2-PHOTON ROUTE TO N-VINYLISOINDOLINONES FROM ISOQUINOLIN-1(2H)-ONE AND ELECTRON-DEFICIENT ETHENES, Journal of the Chemical Society. Perkin transactions. I, (10), 1996, pp. 965-966
Isoquinolin-1(2H)-one undergoes regiospecific and highly stereoselecti
ve (2 pi+2 pi) photocycloaddition with electron deficient ethenes at w
avelengths longer than 290 nm: with 254 nm radiation, the adducts rear
range to N-vinylisoindolinones and undergo retroaddition.