Electric Literature of 17261-28-8, Chemistry can be defined as the study of matter and the changes it undergoes. You’ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology.17261-28-8, Name is 2-(Diphenylphosphino)benzoic acid, molecular formula is C19H15O2P. In a patent, introducing its new discovery.
Chelated enolates of amino acid derivatives were found to be excellent nucleophiles for stereoselective palladium-catalyzed allylic alkylations via terminal pi-allyl complexes. Neither the olefin geometry (linear substrates) nor the configuration of secondary allylic substrates has an influence on the newly formed stereogenic centre of the amino acid. This is exclusively controlled by the protecting group on the chiral centre. Therefore, depending on the protecting group used, both diastereomeric amino acids can be obtained in a highly stereoselective fashion (up to 96% ds for 1,5 induction) from one allylic alcohol.
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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