Addition of Diarylmethyl Halides to asymmetric diarylethylenes and conversion of the tetra??arylprop??1??enes to tetra??arylallenes

AB Sakla, W Tadros, SI Aziz…

Index: Sakla,A.B. et al. Journal fuer Praktische Chemie (Leipzig), 1972 , vol. 314, p. 793 - 798

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Abstract

Abstract Diarylmethyl bromides added to asymmetric diarylethylenes to give the corresponding 1, 1, 3, 3-tetra-arylprop-1-enes 3. Bromination of these propenes, gave 2- bromoprop-1-enes 4 which were readily converted with ethanolic potassium hydroxide to the allenes 5. The structure of the propenes and 2-bromoprop-1-enes was confirmed by ozonolysis.