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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Water-soluble ruthenium(II)catalysts[RuCl_2(eta~6-arene)-{P(CH_2OH)_3}]for isomerization of allylic alcohols and alkyne hydration
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Water-soluble ruthenium(II)catalysts[RuCl_2(eta~6-arene)-{P(CH_2OH)_3}]for isomerization of allylic alcohols and alkyne hydration

机译:水溶性钌(II)催化剂[RuCl_2(η〜6-芳烃)-{P(CH_2OH)_3}]用于烯丙基醇的异构化和炔烃的水合

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摘要

The novel water-soluble ruthenium(II)complexes[RuCl_2(eta~6-arene){P(CH_2OH)_3}]2a-c and[RuCl(eta~6-arene){P(CH_2OH)_3}_2][Cl]3a-c have been prepared in high yields by reaction of dimers[{Ru(eta~6-arene)(eta-Cl)Cl}_2](arene = C_6H_6 la,p-cymene Ib,C_6Me6 Ic)with two or four equivalents of P(CH_2OH)_3,respectively.Complexes 2/3a-c are active catalysts in the redox isomerization of several allylic alcohols into the corresponding saturated carbonyl compounds under water-heptane biphasic conditions.Among them,the neutral derivatives[RuCl_2(eta~6-C_6H_6){P(CH_2OH)_3}]2a and[RuCl_2(eta~6-p-cymene){P(CH_2OH)_3}]2b show the highest activities(TOP values up to 600 h~(-1);TON values up to 782).Complexes 2/3a-c also catalyze the hydration of terminal alkynes.
机译:新型水溶性钌(II)络合物[RuCl_2(η〜6-芳烃){P(CH_2OH)_3}] 2a-c和[RuCl(η〜6-芳烃){P(CH_2OH)_3} _2] [通过二聚体[{Ru(eta〜6-芳烃)(eta-Cl)Cl} _2](芳烃= C_6H_6 la,p-cymene Ib,C_6Me6 Ic)与两个二聚体的反应高产率制备Cl] 3a-c化合物4 / 3a-c是分别在水/正庚烷双相条件下将几种烯丙醇氧化还原为相应的饱和羰基化合物中的活性催化剂。 [RuCl_2(eta〜6-C_6H_6){P(CH_2OH)_3}] 2a和[RuCl_2(eta〜6-对-cymene){P(CH_2OH)_3}] 2b显示最高的活性(TOP值高达600 h 〜(-1); TON值高达782)。络合物2 / 3a-c还催化末端炔烃的水合。

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