C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 15/00 (2006.01) C07D 213/22 (2006.01) C07D 239/26 (2006.01) C07D 263/32 (2006.01) C07D 471/04 (2006.01) C08G 67/02 (2006.01)
Patent
CA 2190527
An improved process is described for the preparation of alternating linear copolymers based on carbon monoxide and at least one compound containing an alkenyl unsatu- ration which comprises reacting in a liquid solvent under the operating conditions, a mixture of carbon monoxide and one or more compounds containing an alkenyl unsaturation in the presence of: (i) a catalyst having general formula (I) [Pd(chel)(chel')]++[A-]2 (I) wherein chel and chel', the same or different, repre- sent a nitrogenated or phosphorated bidentate chelating agent, and A- represents an essentially non-coordina- ting, non esterifiable and non labile anion of an acid with pKa less than 2; and (ii) a cocatalyst having general formula (II) [chel"H+][A'-] (II) wherein A'-, the same as or different from A-, has the same meaning defined above and chel" represents a nitrogenated bidentate chelating agent the same as or different from chel and chel'.
Garbassi Fabio
Mestroni Giovanni
Milani Barbara
Sommazzi Anna
Vicentini Lidia
Enichem S.p.a.
Robic
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