Syntheses of (E, E)-1,4-diaryl-1,3-butadienes

Ramana Rao, V. V. ; Vijaya Kumar, Ch. ; Devaprabhakara, D. (1979) Syntheses of (E, E)-1,4-diaryl-1,3-butadienes Journal of Organometallic Chemistry, 179 (1). C7-C8. ISSN 0022-328X

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00223...

Related URL: http://dx.doi.org/10.1016/S0022-328X(00)87804-3

Abstract

trans-β-Phenylethenylboronic acid, trans-β-p-methylphenylethenylboronic acid and trans-β -p-methoxyphenylethenylboronic acid on treatment with catalytic amounts of palladium chloride in presence of excess of lithium chloride and triethylamine give the corresponding (E, E)-1,4-diaryl-1,3-butadienes in virtually quantitative yield.

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