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
10119] In a schlenk flask provided with a teflon closure, a solution of Os(tetradentate ligand)(DMSO)2 (200 mg, 0.2 64 mmol) in THF (10 mL) was treated with 1,2-bis(diphe- nylphosphino)benzene (118 mg, 0.264 mmol). The resulting mixture was stirred at 100 C. for 60 hours to produce a yellow solution. Afier cooling at room temperature (.-22 C.), the solvent was removed in vacuo. After extraction with dichioromethane, the solid was filtered off and the solution was evaporated to dryness. Addition of 5 mL of acetonitrile caused precipitation of a yellow solid that was washed with thrther portions of acetonitrile (2×5 mL) and subsequently with diethyl ether (3×5 mL). The yellow solid was dried in vacuo. Yield: 215mg (68%). IR (cm?): v(C=C) 1570 (w). ?H NMR (500 MHz, CD2C12, 298 K): oe 8.00 (dd, JHH=7.0,JHH=1.5, 1H, CH), 7.63 (t, JHH=8.0, 2H, CH), 7.58 (m, 1H,CH), 7.53-7.50 (m, 3H, CH), 7.38 (d, 1H, CH), 7.35(d, H-H=, 1H, CH), 7.29-7.25 (m, 8H, CH), 7.16-7.14 (m,3H, CH), 7.08-7.00 (m, 3H, CH), 6.95-6.88 (m, 6H, CH),6.79-6.76 (m, 3H, CH), 6.73 (t, H-H=, 1H, CH), 6.63 (dt,JHH=1.0, JHH=7.2, 1H, CH), 6.59 (dt, JHH=1.0, JHH=7.0,1H, CH), 6.39-6.35 (m, 3H, CH), 6.30 (t, 6.30 (t, JHH=8.5,2H, CH), 5.80-5.74 (m, 1H, -CH2—-), 4.32-4.28 (m, 2H,-CH2-), 3.86-3.80 (m, 1H, -CH2-). ?3C{?H} NMR(125.68 MHz, CD2C12, 298 K): oe 210.9 (t, J=4.3, NCN),187.4 (dd, J,=7.9, J,=79.7, NCN), 158.1 (t, J=6.4,Os-C Ph), 153.9 (dd, J=12.5, J=55.5, Os-C Ph),151.7 (d J=3.2, Cq), 149.4 (d, J=3.8, Cq), 148.6 (dd,J=47.2, J=34.2, Cq), 144.9 (dd, J=41.9, J=36.3,Cq), 143.7 (d, J=5.4, Cq), 143.5 (d, J=5.4, CH), 142.3(s, CH), 138.3 (d, J=3.6, Cq), 137.2 (d, J=28.8, Cq),137.0, 136.7 (both s, Cq), 136.2 (d, J=9.7, CH), 133.8 (d,J=11.9, CH), 133.5 (dJ=3.3, Cq), 132.8 (d, J=14.8,CH), 132.3 (d, J,=1 .9, Cq), 132.2 (d, J=10.3, CH), 131.9(dd, J=6.9, J=31.8, Cq), 131.7 (d, J=13.9, CH),130.0 (d, j=9.3, CH), 129.6 (d, j=3.9, CH), 129.2,129.0 (both s, CH), 128.9 (d, J=3.6, CH), 128.3 (s, CH),127.9 (d, J=9.0, CH), 127.5, 127.4 (both s, CH), 127.2 (d,J=8.7, CH), 126.4 (d, J=8.4, CH), 123.3, 122.7, 122.5,122.0, 121.7,121.1, 120.4,119.3, 112.3,111.2, 111.1, 110.6,109.7, 107.3 (all s, CH), 47.5 (s, -CH2-), 45.0 (d, J=3.5,-CH2—-). 3?P{?H} NMR (121.4 MHz, CD2C12, 298 K): oe32.1 (d, j=s?s), 18.7 (d, J=5.5).
13991-08-7, 13991-08-7 1,2-Bis(diphenylphosphino)benzene 498379, achiral-phosphine-ligands compound, is more and more widely used in various fields.
Reference£º
Patent; Universal Display Corporation; TSAI, Jui-Yi; XIA, Chuanjun; ESTERUELAS, Miguel A.; ALABAU, Roberto G.; OLIVAN, Montserrat; ONATE, Enrique; (89 pag.)US2016/240799; (2016); 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