Reference of 161265-03-8. Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 161265-03-8, Name is (9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphine). In a document type is Patent, introducing its new discovery.
Pre-transition metal compound and its preparation method and intermediate and in use in the polymerization of olefins (by machine translation)
The present invention relates to the field of catalysts for the polymerization of olefins, in particular, relates to a front transition metal compound and its preparation method and intermediate and in use in the polymerization of olefins. The front transition metal compound is the compound of formula (1) compound of formula. The adoption of the pre-transition metal compound or its crystal catalytic olefin indicating the high catalytic activity, and in extensive polymerization reaction under conditions has excellent catalytic activity, but also the cost of the catalyst is low, the industrial production. (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