Highly regioselective hydroaminomethylation of long chain alkenes catalyzed by Rh–BISBIS in a two-phase system |
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| Authors: | Yingyong Wang Junhua Chen Meiming Luo Hua Chen Xianjun Li |
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| Affiliation: | aKey Laboratory of Green Chemistry and Technology of Ministry of Education at Sichuan University, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, PR China |
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| Abstract: | The hydroaminomethylation of long chain alkenes with secondary amines in aqueous/organic two-phase system catalyzed by rhodium catalyst precursor and water-soluble diphosphine ligand BISBIS (sulfonated 2,2′-bis(diphenylphosphinomethyl)-1,1′-biphenyl) was investigated. The result showed that the use of BISBIS improved the reaction activity and especially regioselectivity for linear amine significantly compared with the monophosphine ligand TPPTS P(m-C6H4SO3Na)3], the ratio of linear to branched amine was up to 83. |
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| Keywords: | Hydroaminomethylation Long chain alkene Rh complex Aqueous two-phase catalysis |
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