Unexpected [2 + 2] C-C bond coupling due to photocycloaddition on orthopalladated (Z)-2-aryl-4-arylidene-5(4H)-oxazolones.
A [2 + 2] photocycloaddition has been observed in regioselectively orthopalladated 2-aryl-4-arylidene-5(4H)-oxazolones, leading to unprecedented cyclobutane-bis(oxazolones).
Roiban
Doru
D
Organic Chemistry Department, Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, 400028 Cluj-Napoca, Romania.
Serrano
Elena
E
Soler
Tatiana
T
Grosu
Ion
I
Cativiela
Carlos
C
Urriolabeitia
Esteban P
EP