PREPARATION OF α,β-ETHYLENICALLY UNSATURATED CARBOXYLIC SALTS BY CATALYTIC CARBOXYLATION OF ALKENES
    1.
    发明申请
    PREPARATION OF α,β-ETHYLENICALLY UNSATURATED CARBOXYLIC SALTS BY CATALYTIC CARBOXYLATION OF ALKENES 审中-公开
    通过催化羰基化制备α,β-乙烯基不饱和羧酸盐

    公开(公告)号:WO2013098772A1

    公开(公告)日:2013-07-04

    申请号:PCT/IB2012/057750

    申请日:2012-12-27

    CPC classification number: C07B41/08 C07B41/10 C07C51/15 C07C57/04

    Abstract: In a process for preparing an alkalimetalor alkaline earth metal salt of an α,β -ethylenically unsaturated carboxylic acid, a)a transition metal-alkene complex is reacted with CO 2 to give a metallalactone, b)the metallalactone is reacted with a base to give an adduct of the alkalimetal or alkaline earth metal salt of the α,β -ethylenically unsaturated carboxylic acid with the transition metal complex, and c)the adduct is reacted with an alkene to release the alkalimetalor alkaline earth metalsalt of the α,β -ethylenically unsaturated carboxylic acid and regenerate the transition metal-alkene complex. The baseis selected from alkalimetal or alkaline earth metal hydroxides and alkali metal or alkaline earth metal superbases.The alkene is, for example, ethene. The transition metal complex comprises, for example, nickel and a bidentate P,P, P,N, P,O or P,carbene ligand, such as 1,2-bis(di- tert -butylphosphino)ethane.

    Abstract translation: 在制备α,β-烯属不饱和羧酸的碱金属碱土金属盐的方法中,a)过渡金属 - 烯烃络合物与CO 2反应得到金属内酯,b)金属内酯与碱反应,得到 α,β-烯键式不饱和羧酸的碱金属或碱土金属盐与过渡金属络合物的加合物,和c)加合物与烯烃反应以释放α,β-烯属的碱金属盐碱金属盐 不饱和羧酸并再生过渡金属 - 烯烃络合物。 碱选自碱金属或碱土金属氢氧化物和碱金属或碱土金属超碱物。烯烃是例如乙烯。 过渡金属络合物包括例如镍和二齿P,P,P,N,P,O或P,卡宾配体,例如1,2-双(二叔丁基膦基)乙烷。

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