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One of the oldest and most widely used commercial enzyme inhibitors is aspirin, which selectively inhibits one of the enzymes involved in the synthesis of molecules that trigger inflammation. you can also check out more blogs about538-58-9 . category: chiral-oxygen-ligands

As an important bridge between the micro and macro material world, chemistry is one of the main methods and means for humans to understand and transform the material world. category: chiral-oxygen-ligands, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 538-58-9

The tris(cyanoethyl)phosphine (tcep) complexes trans-[PtCl2(tcep)2], cis-[PtMe2(tcep)2], and trans-[PtMeCl(tcep)2] are prepared by treatment of the corresponding [PtXY(cod)] (cod = 1,5-cyclooctadiene) with tcep. Reduction of trans-[PtCl2(tcep)2] with NaBH4 gives trans-[PtHCl(tcep)2] which, in the presence of tcep and NEt3, gives the coordinatively unsaturated platinum(0) complex [Pt(tcep)3]. This coordinatively unsaturated species is also formed when [Pt(norbornene)3] reacts with tcep. [Pt(tcep)3] is very unreactive compared to its PEt3 analogue: it is air-stable and does not react with further tcep to form an 18-electron species. It is protonated by HBF4 · OEt2 to form [PtH(tcep)3]BF4. The complex trans-[PdCl2(tcep)2] is made from [PdCl2(NCPh)2] and tcep and the derivatives trans-[PdX2(tcep)2] (X = Br or I) are made by metathesis of the dichloro complex. Reduction of trans-[PdCl2(tcep)2] with LiOMe in the presence of tcep gave the palladium(0) complex [Pd(tcep)3] which, like its platinum(0) analogue, undergoes exchange with free tcep on the NMR timescale. The palladium complex reacts with dibenzylideneacetone (dba) to form [Pd(eta2-dba)(tcep)2]; the same product is formed in the reaction of [Pd(eta2-dba)2] and tcep. Reaction of [Pd2Cl2(eta3-C3H3) 2] and tcep gives [PdCl(tcep)(eta3-C3H3)] or [Pd(tcep)2(eta3-C3H3)]Cl depending on stoichiometry. The rhodium(I) and iridium(I) complexes trans-[MCl(CO)(tcep)2], [MCl(tcep)(cod)] and [MCl(tcep)3] are all readily made from tcep and an appropriate precursor. All new compounds have been fully characterised by a combination of elemental analysis, IR, 31P, 13C, 1H and 195Pt NMR spectroscopy. The crystal structure of [IrCl(tcep)3] as a MeCN solvate shows a distorted square planar coordination geometry (trans angles at Ir(I) ca. 164, cis P-Ir-P av. 96, cis P-Ir-Cl av. 85). Analysis of the conformations of tcep ligands in this and other published tcep complexes shows there is a preference for conformations in which aaa, aag or g+g- (a = anti, g = gauche) arrangements of the three M-P-C-C chains are avoided.

One of the oldest and most widely used commercial enzyme inhibitors is aspirin, which selectively inhibits one of the enzymes involved in the synthesis of molecules that trigger inflammation. you can also check out more blogs about538-58-9 . category: chiral-oxygen-ligands

Reference：
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate