The photochemical [4+4] cyclodimerization of 2-pyrazinone in the solid state
作者:Takehiko Nishio、Naoko Nakajima、Yoshimori Omote
DOI:10.1016/0040-4039(80)80119-5
日期:1980.1
Irradiation of 1-methyl-5,6-diphenyl-2-pyrazinone (Ia) in the solidstate gave the [4+4] anti dimer (II) in 100% yield, while (Ia) in a solution phase was inert upon irradiation.