Process for the telomerization of conjugated dienes and...

Details Process for the telomerization of conjugated dienes and... Process for the telomerization of conjugated dienes and...

C - Chemistry, Metallurgy

07

C

C07C 43/14 (2006.01) C07C 41/06 (2006.01)

Patent

CA 2116622

"PROCESS FOR THE TELOMERIZATION OF CONJUGATED DIENES AND SUITABLE CATALYST THEREFOR" Abstract Mono-alkadienyl alkyl ethers and di-alkadienyl alkyl ethers are prepared by telomerization of a conjugated diene, by causing said conjugated diene to react with an aliphatic alcohol or an aliphatic diol respectively, by operating in an aqueous/organic biphasic liquid system, in the presence of a catalytic system formed by: -- (a) a palladium salt or complex; -- (b) an alkyl-, alkylcycloalkyl-, or alkylaryl- phosphine ligand, bearing an acidic or neutral hydrophylic moiety, having the formula: Image wherein R1, R2, R3, x and y are as defined in the disclosure; and -- (c) an either inorganic or organic base.

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