Tag: 13991-08-7

13991-08-7, 1,2-Bis(diphenylphosphino)benzene is a chiral-phosphine-ligands compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

61.0mg mesityl -Cu and 3ml of toluene were added to 100.0mg(0.33 mmol) of 7-BTpCa and 149.3mg (0.33 mmol) of dppb in a glove box. It formsa yellow solution. It was filtered and was coated with a layer of hexane. itforms yellow crystals. under UV (356nm), these emit a strong green and thesolution in the same way emits a strong green. Yield: 83%.

As the paragraph descriping shows that 13991-08-7 is playing an increasingly important role.

Reference£º
Patent; MERCK PATENTGMBH; WESEMANN, LARS; KLEIH, MATTHIAS; MAYER, HERMANN, AUGUST; (72 pag.)JP2016/501830; (2016); A;,
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

13991-08-7, 1,2-Bis(diphenylphosphino)benzene is a chiral-phosphine-ligands compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

The experimental multi-tooth phosphine coordination silver complex double emitting dye synthesis method according to the following steps:1 mmol of multidentate phosphine ligand, 1 mmol of AgCl, 5 ml of DCM were mixed and reacted at 40 C. for 10 hours. The mixture was spin-dried and purified by column chromatography with DCM and PE to obtain a multidentate phosphine coordination silver complex.Wherein the ratio of multidentate phosphine ligand to AgCl is 1: 1.The volume ratio of DCM to PE in the mixed solvent of DCM and PE is 1:20.

The synthetic route of 13991-08-7 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Heilongjiang University; Xu Hui; Zhang Jing; Han Chunmiao; (47 pag.)CN106833010; (2017); A;,
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

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.13991-08-7,1,2-Bis(diphenylphosphino)benzene,as a common compound, the synthetic route is as follows.

General procedure: The mixture of 5mg (1 eq) of (CO)2Rh(SQ) and 3.6mg (1.04 eq) of PPh3 was dissolved in 5ml of toluene. The mixture was kept at room temperature until complete disappearance of initial (CO)2Rh(SQ) signal in EPR spectrum. Forming violet solution was degassed, frozen by liquid N2 and 1.1 eq of corresponding diphos was added under vacuum. The mixture was quickly brought to room temperature and placed into EPR cavity immediately. All of reactions were carried out without isolation of the products.

13991-08-7 1,2-Bis(diphenylphosphino)benzene 498379, achiral-phosphine-ligands compound, is more and more widely used in various.

Reference£º
Article; Kozhanov; Bubnov; Teplova; Abakumov; Cherkasov; Journal of Molecular Structure; vol. 1147; (2017); p. 541 – 548;,
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

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.13991-08-7,1,2-Bis(diphenylphosphino)benzene,as a common compound, the synthetic route is as follows.

A mixture of [Cu(CH3CN)4](ClO4) (0.0654g, 0.2mmol), dppbe (0.0893g, 0.2mmol) and Bphen (0.0665g, 0.2mmol) were dissolved in a mixture of CH2Cl2 (5ml) and CH3OH (5ml), then stirred for 6h. The insoluble residues were removed by filtration and the filtrate was evaporated slowly at room temperature for a week to yield a yellow crystalline product. Yield: 74%. Anal. Calc. for C56H48ClCuN2O6P2: C, 66.81; H, 4.77; N, 2.78. Found: C, 67.71; H, 4.75; N, 2.86%. IR (cm-1): 3446s, 2377w, 2345w, 1622m, 1553w, 1515w, 1481w, 1436m, 1121s, 1091vs, 866w, 742m, 697s, 668w, 623m, 531m, 496w. 1H NMR (600MHz, CDCl3, 298K) delta, ppm: 7.2-7.8 (m, overlap with the solvent peak signal, Bphen-aromatic ring, dppbe-aromatic ring), 8.8 (d, Bphen-aromatic ring).

The synthetic route of 13991-08-7 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Zhang, Yan-Ru; Yu, Xiao; Lin, Sen; Jin, Qiong-Hua; Yang, Yu-Ping; Liu, Min; Li, Zhong-Feng; Zhang, Cun-Lin; Xin, Xiu-Lan; Polyhedron; vol. 138; (2017); p. 46 – 56;,
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

13991-08-7, 1,2-Bis(diphenylphosphino)benzene is a chiral-phosphine-ligands compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Similar procedure described for 1c was used in the synthesis of 5c by using dppbz instead of dppm to obtain a pale yellow solid. Yield: 94%. 31P-NMR (121.42 MHz, 298 K, CDCl3):62.4 ppm (d, 1J(Rh-P) = 134 Hz). 1H-NMR (300 MHz,298 K, CDCl3): 7.38-6.75 (m, 24H, Ph). ESI-MS(?):501.3 (M?-CO-Ph, calc.: 501.3). IR (KBr, cm-1) 1970,m(C:O); 1103, 1032 (OTf-).

The synthetic route of 13991-08-7 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Arcau, Julia; Ferrer, Montserrat; Aguilo, Elisabet; Rodriguez, Laura; Transition Metal Chemistry; vol. 42; 1; (2017); p. 57 – 67;,
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