Application 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.
The invention provides fungicidal compositions containing benzyl-tris(aryl)-phosphonium salts of the general formula STR1 in which R1 represents an optionally substituted alkyl or alkoxy group; R2 represents a hydrogen atom or an optionally substituted alkyl group; R3, R4 and R5 independently represent a hydrogen or halogen atom or an optionally substituted alkyl or alkoxy group; and A- represents an anion processes for the preparation of such compounds. Certain of the compounds of formula I are novel and the invention therefore also provides processes for the preparation of such compounds and their use as fungicides.
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Reference：
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