A Photochemical 1,3 Cycloaddition of Olefins to Benzene K. E. Wilzbach and Louis Kaplan J. Am. Chem. Soc.; 1966; 88(9) pp 2066 – 2067; doi:10.1021/ja00961a052
Photoaddition of benzene to olefins. II. Stereospecific 1,2 and 1,4 cycloadditions Kenneth E. Wilzbach and Louis Kaplan J. Am. Chem. Soc.; 1971; 93(8) pp 2073 – 2074; doi:10.1021/ja00737a052