Tag: M.W:300-400

855-38-9, Tris(4-methoxyphenyl)phosphine is a chiral-phosphine-ligands compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,855-38-9

General procedure: To a CH2Cl2 solution of [Cp*Ir(S2C2B10H10)] (B or C) (107mg, 0.2mmol) PR3 (0.2mmol) was added and the mixture was stirred for 10minat ambient temperature. The resulting yellow solution was evaporated in vacuo and the residue was washed with hexanes to give B1-B4, C1-C4, respectively. Single crystals suitable for X-ray analysis were obtained by slow evaporation of a CH2Cl2/hexane solution. (Note: for the preparation of B4 and C4, slight excess of PMe3 was added.)

As the paragraph descriping shows that 855-38-9 is playing an increasingly important role.

Reference£º
Article; Zou, Wenli; Zhang, Xiaolei; Dai, Humin; Yan, Hong; Cremer, Dieter; Kraka, Elfi; Journal of Organometallic Chemistry; vol. 865; (2018); p. 114 – 127;,
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

18437-78-0, Tris(4-fluorophenyl)phosphine is a chiral-phosphine-ligands compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: The synthesis of the cyclopalladated compounds have been carried out using the procedure described by Onue etal. [16] with minor modifications. In a general procedure, to a stirred suspension of [PdCl(C2,N-aphox)]2 (100mg, 0.18mmol) in 10mL of acetone, 0.38mmol of the suitable phosphine ligand (mass of reactants: L1=99.8, L2=120.3, L3=106.7, L4=105.1, L5=134.0, L6=115.8mg) dissolved in 5mL of acetone was added dropwise, affording a yellow solution. The mixture was stirred for 1hat room temperature and slow evaporation of the final solutions at room temperature afforded crystals in good yields. The crystals were collected, washed with pentane and dried under vacuum. Suitable single crystals for X-ray diffraction determination of 1?5 have been obtained by slow evaporation of a solution containing 2?5mg of the complex in 5mL of acetone. Yellow crystals were obtained after 1 week., 18437-78-0

The synthetic route of 18437-78-0 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Bozza, Gabriela F.; de Farias, Renan L.; de Souza, Ronan F.F.; Rocha, Fillipe V.; Barra, Carolina V.; Deflon, Victor M.; de Almeida, Eduardo T.; Mauro, Antonio E.; Netto, Adelino V.G.; Journal of Molecular Structure; vol. 1175; (2019); p. 195 – 207;,
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

6224-63-1, Tri-m-tolylphosphine is a chiral-phosphine-ligands compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: To a magnetically stirred solution of a N-formyl/thiourea (2 mmol) and a triarylphosphine (2 mmol) in dry EtOAc (10 mL) was added dropwise, a dialkyl acetylenedicarboxylate (2 mmol) in dry EtOAc (5mL) at room temperature over 10 min. The progress of the reaction was monitored by thin-layer chromatography with n-hexane-ethyl acetate(1:1 v/v) mixture as eluent. After completion of the reaction the solvent was removed under reduced pressure and the solid residue was washed with cold diethyl ether (2 ¡Á 5 mL) and the product was obtained., 6224-63-1

6224-63-1 Tri-m-tolylphosphine 80362, achiral-phosphine-ligands compound, is more and more widely used in various fields.

Reference£º
Article; Shams, Nasim; Mosslemin, Mohammad Hossein; Yazdani, Afshin; Anaraki-Ardakani, Hossein; Ghane, Javad; Journal of Chemical Research; vol. 40; 6; (2016); p. 351 – 353;,
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.240417-00-9,2-Diphenylphosphino-2′-(N,N-dimethylamino)biphenyl,as a common compound, the synthetic route is as follows.

Under argon atmosphere, 1,8-bis(diphenylphosphino)naphthalenedioxide (64.5 mg) was added to 5 mL of the suspension of silver(I) tetrafluoroborate (25.3 mg, 0.130 mmol) in dry dichloromethane, and the mixture was heated to reflux with stirring for one hour. Then, 2-dimethylamino-2′-(diphenylphosphino)biphenyl (49.6 mg, 0.130 mmol) was added to the reaction solution, which was heated to reflux for another one hour. The obtained brown suspension was filtrated, and the filtrate was concentrated and the residue was dissolved in chloroform followed by slow diffusion of diethylether. The precipitate was isolated by filtration, and the filtrated matter was subjected to vacuum drying, thereby providing 101 mg of the pale yellow solid complex. The result of elemental analysis for the obtained complex is shown in Table 2-1, and the composition ratio of the complex was obtained. The present complex corresponds to the above composition formula (1).

240417-00-9, As the paragraph descriping shows that 240417-00-9 is playing an increasingly important role.

Reference£º
Patent; Sumitomo Chemical Company, Limited; EP2360162; (2011); A1;,
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.18437-78-0,Tris(4-fluorophenyl)phosphine,as a common compound, the synthetic route is as follows.

General procedure: PR3 and NH4PF6 were added to a solution of fac-[RuCl3(NO)(P?N)] (1) in MeOH (5 mL) and the resulting orange suspensionwas refluxed for 3 h, except for the P(p-Me-C6H4)3 system whenreaction occurred at r.t. After being cooled to room temperature,the resulting yellow suspensions of complexes 3?5 were filteredto give a yellow solid that was washed with H2O (2 5 mL), MeOH(2 5 mL) and Et2O (2 5 mL), and then dried in vacuo. In the caseof complex 2, the reaction generated a clear yellow solution; thesolvent was removed in vacuo to give a yellow residue that wasthen largely dissolved in CH2Cl2 (5 mL), and the mixture wasfiltered through Celite. Addition of n-hexane (15 mL) yielded a yellowsolid that was then treated as described above. The mer, transisomerof 1 [6,7] could also be used as the precursor for synthesesusing the same methodology, which gave similar product yields., 18437-78-0

The synthetic route of 18437-78-0 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; da Silva, Juliana P.; Fagundes, Francisco D.; Back, Davi F.; Ellena, Javier; James, Brian R.; de Araujo, Marcio P.; Inorganica Chimica Acta; vol. 454; (2017); p. 40 – 45;,
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.6163-58-2,Tri-o-tolylphosphine,as a common compound, the synthetic route is as follows.

(2R)-(4E)-5-(5-Isopropoxy-3-pyridyl)-4-penten-2-ol A mixture of 5-isopropoxy-3-bromopyridine (10.26 g, 47.50 mmol), (2R)-4-penten-2-ol (4.91 g, 57.00 mmol), palladium(II) acetate (106 mg, 0.47 mmol), tri-o-tolylphosphine (578 mg, 1.90 mmol), triethylamine (28.46 mL, 204.25 mmol), and acetonitrile (30 mL) were heated in a sealed glass tube at 140 C. for 14 h. The reaction mixture was cooled to ambient temperature, diluted with water, and extracted with chloroform (3*200 mL). The combined chloroform extracts were dried over sodium sulfate, filtered, and concentrated by rotary evaporation to give a pale-yellow oil (8.92 g, 85.0%).

6163-58-2, As the paragraph descriping shows that 6163-58-2 is playing an increasingly important role.

Reference£º
Patent; Caldwell, William S.; Dull, Gary M.; Bhatti, Balwinder S.; Hadimani, Srishailkumar B.; Park, Haeil; Wagner, Jared M.; Crooks, Peter A.; Lippiello, Patrick M.; Bencherif, Merouane; US2003/125345; (2003); A1;,
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.855-38-9,Tris(4-methoxyphenyl)phosphine,as a common compound, the synthetic route is as follows.,855-38-9

General procedure: To a CH2Cl2 solution of [Cp*Ir(S2C2B10H10)] (B or C) (107mg, 0.2mmol) PR3 (0.2mmol) was added and the mixture was stirred for 10minat ambient temperature. The resulting yellow solution was evaporated in vacuo and the residue was washed with hexanes to give B1-B4, C1-C4, respectively. Single crystals suitable for X-ray analysis were obtained by slow evaporation of a CH2Cl2/hexane solution. (Note: for the preparation of B4 and C4, slight excess of PMe3 was added.)

855-38-9 Tris(4-methoxyphenyl)phosphine 70071, achiral-phosphine-ligands compound, is more and more widely used in various fields.

Reference£º
Article; Zou, Wenli; Zhang, Xiaolei; Dai, Humin; Yan, Hong; Cremer, Dieter; Kraka, Elfi; Journal of Organometallic Chemistry; vol. 865; (2018); p. 114 – 127;,
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

13440-07-8, Di(naphthalen-1-yl)phosphine oxide is a chiral-phosphine-ligands compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: Into a round bottom flask was added p-(difluoroiodo)toluene (1, 0.17 mmol, 1.1 equiv) and PhCl (0.25 mL, 0.6M), followed by the secondary phosphine oxide (3, 0.15 mmol, 1.0 equiv). The resulting reaction mixture was stirred at 60 C in a pre-heated oil bath for 10 minutes, by which time TLC analysis indicated consumption of the starting material. The crude reaction mixture was cooled to room temperature and directly purified by column chromatography (ether/pentane) without prior concentration., 13440-07-8

As the paragraph descriping shows that 13440-07-8 is playing an increasingly important role.

Reference£º
Article; Eljo, Jasmin; Murphy, Graham K.; Tetrahedron Letters; vol. 59; 31; (2018); p. 2965 – 2969;,
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.17261-28-8,2-(Diphenylphosphino)benzoic acid,as a common compound, the synthetic route is as follows.

To a solution of 2-(diphenylphosphino)benzoic acid (375 mg, 1.23 mmol) in DMF (10 mL) in 0 C. DIPEA (0.4 mL, 2.234 mmol), Compound 1 (640 mg, 1.117 mmol) and HATU (640 mg, 1.675 mmol) was added. The reaction was continued by stirring at RT for 12 h and the reaction was monitored by TLC. After completion of the reaction, the reaction mixture was diluted with water and stirred for 15 minutes. The precipitated solid was filtered off, washed with water and dried in vacuo. Purification of the crude product by column chromatography on silica gel (100-200 mesh) using methanol in DCM (0.5: 9.5) as eluent gave the detector according to the invention as a pale yellow solid (320 mg; 33.20%). Mito-1 was obtained., 17261-28-8

17261-28-8 2-(Diphenylphosphino)benzoic acid 87021, achiral-phosphine-ligands compound, is more and more widely used in various fields.

Reference£º
Patent; Korea University Research Management System; Seon U-gyeong; Sang Ka-peu-rae-sa-deu-beu-heu-ni-ya; Kim Jong-seung; (17 pag.)KR2019/85401; (2019); 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

855-38-9, Tris(4-methoxyphenyl)phosphine is a chiral-phosphine-ligands compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,855-38-9

General procedure: A solution of (mu3-S)FeCo2(CO)9 (0.069 g, 0.15 mmol) and tris(4-fluorophenyl)phosphane(0.063 g, 0.2 mmol) in CH2Cl2 (10 mL) was added to a solution of Me3NO2H2O (0.022 g,0.2 mmol) and stirred at room temperature for 1 h. The solvent was reduced in vacuo andthe residue was subjected to TLC separation using CH2Cl2:petroleum ether = 1:5 (v/v) aseluent. From the first main brown band, 1 (0.039 g, 35%) was obtained as a black solid. Fromthe second main brown band, 2 (0.040 g, 26%) was obtained as a black solid.

As the paragraph descriping shows that 855-38-9 is playing an increasingly important role.

Reference£º
Article; Zhao, Peng; Liu, Xu-Feng; Wu, Hong-Ke; Journal of Coordination Chemistry; vol. 70; 17; (2017); p. 3080 – 3094;,
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