Synthetic Route of 50777-76-9. Let’s face it, organic chemistry can seem difficult to learn. Especially from a beginner’s point of view. Like 50777-76-9, Name is 2-(Diphenylphosphino)benzaldehyde. In a document type is Article, introducing its new discovery.
The addition of 1 and 2 equivalents of AlMe3 to cis,cis-C 6H9(NHCH2C6H4-o-R) 3 (R = PPh2 (3) and SPh (4)) gives complexes [cis,cis-C6H9(NCH2C6H 4-o-R-kappaN)2(NHCH2C6H 4-o-R-kappaN)]AlMe (R = PPh2 (7) and SPh (8)) and [cis,cis-C6H9(NCH2C6H 4-o-R)3-kappa5mu2N]Al 2Me3 (R = PPh2 (5) and SPh (6)), respectively. The bimetallic complexes are active in the polymerization of epsilon-caprolactone and rac-lactide whereas the monometallic complexes are not, although no cooperative behaviour is observed between the two aluminium atoms of 5 and 6. The polycaprolactone samples, which were characterized using 1H NMR, MALDI-TOF, and SEC, show the presence of residual ligands 3 or 4 bound to the polymer and the in situ NMR studies confirm that the insertion occurs in an Al-N bond.
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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