Reference of 1038-95-5, 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.1038-95-5, Name is Tri-p-tolylphosphine, molecular formula is C21H21P. In a patent, introducing its new discovery.
7-Methoxyimino-4-methylchromene-2,8-dione 2 reacts with triarylphosphines 1(a-d) to give the unexpected 7-arylomino-8-hydroxy-4-methyl-2H-[1]-benzopyran-2-ones 7(a-d) and methyl diarylphosphinates 8(a-d) in high yields. The reaction of 2 with trialkylphosphines 1(e,f) as well as with diphenylphosphine 15 leads to the formation of the N-dialkylphosphinoyl derivatives 11, 12, 14 and the N-diphenylphosphinoyl derivative 19, along with compounds 7(e,f). The methylation of compounds 7a, 7f, 11 and 19 is also studied and reaction mechanisms to explain the formation of the products obtained are suggested.
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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