Polyphenylalkane derivatives Q 0720Convenient Synthesis of Triarylmethanes and 9,10-Diarylanthracenes by Alkylation of Arenes with Aromatic Aldehydes Using Acetyl Bromide and ZnBr 2 /SiO 2 .-Both types of title compounds are available by changing the ratio of the substrates. Heteroarenes do not react. -(KODOMARI*, M.; NAGAMATSU, M.; AKAIKE, M.; AOYAMA, T.; Tetrahedron Lett. 49 (2008) 16, 2537-2540; Dep. Appl. Chem., Shibaura Inst. Technol., Koto, Tokyo 135, Japan; Eng.) -R. Simon 31-115
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