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1984, Vol.13, No.11

1969-1972
Open Access

THE BROMINATION OF METHYLARENES WITH NBS BY IRRADIATION USING A TUNGSTEN LAMP. PREPARATION OF BENZOTRIBROMIDES

Mataka Shuntaro 1 , Kurisu Masayoshi 2 , Takahashi Kazufumi 1 , Tashiro Masashi 1
1 Research Institute of Industrial Science, Graduate School of Engineering Sciences, Kyushu University
2 Department of Molecular Science and Technology, Graduate School of Engineering Sciences, Kyushu University
https://doi.org/10.1246/cl.1984.1969

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Abstract

Bromination of toluene and its meta- and para-substituted derivatives with NBS by irradiation using a tungsten lamp gave benzotribromides and cis- and trans-1,2-dibromo-1,2-diarylethylenes, while ortho-substituted toluenes gave benzal bromides. o-Xylene gave tetra- and pentabromides and m-xylene afforded a mixture of dibromodiarylethylenes.

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