Electric Literature of 564483-18-7. Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 564483-18-7, Name is 2-(Dicyclohexylphosphino)-2′,4′,6′-tri-i-propyl-1,1′-biphenyl. In a document type is Patent, introducing its new discovery.
A mechanical to urge the enters the carbon – […] forming method (by machine translation)
The invention discloses a mechanical to urge the enters the carbon – […] forming method, said method comprising: in order to type 2 shown in formulae of organic amine 3 shown the chlorinated aromatic hydrocarbon as the raw material, the catalyst, ligand, in the presence of alkali and additive, the reaction is carried out by the mechanical grinding method, after the reaction mixture after the separation and purification, obtains the type 1 compound shown; in the present invention relates to mechanical grinding promotion to the chlorinated aromatic hydrocarbon as the substrate of the Buchwald – Hartwig reaction mainly adopts the organic phosphonate ligands, in the palladium catalyst under the action of the organic amine compound with the chlorinated aromatic hydrocarbon of the between the coupling, so as to obtain high yield of the target product, the majority of the reaction can be 90% or more yield. The mild reaction conditions, can be in the 1 – 2 H to complete the reaction. (by machine translation)
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Reference£º
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate