Alumoxanes as Cocatalysts in the Palladium-Catalyzed Copolymerization of Carbon Monoxide and Ethylene:?? Genesis of a Structure???Activity Relationship, Organometallics, vol.15, issue.9, p.2213, 1996. ,
DOI : 10.1021/om9508492
Complexes [(P2)Rh(hfacac)] as Model Compounds for the Fragment [(P2)Rh] and as Highly Active Catalysts for CO2 Hydrogenation: The Accessible Molecular Surface (AMS) Model as an Approach to Quantifying the Intrinsic Steric Properties of Chelating Ligands in Homogeneous Catalysis, Connolly, M. L. Science, pp.755-801, 1983. ,
DOI : 10.1002/chem.19970030516
Ligand Electronic Effects in Asymmetric Catalysis: Enhanced Enantioselectivity in the Asymmetric Hydrocyanation of Vinylarenes, Journal of the American Chemical Society, vol.116, issue.22, p.9869, 1994. ,
DOI : 10.1021/ja00101a007
Role of Electronic Asymmetry in the Design of New Ligands:?? The Asymmetric Hydrocyanation Reaction, Journal of the American Chemical Society, vol.118, issue.26, pp.6325-78, 1982. ,
DOI : 10.1021/ja9609112
Rate and Mechanism of Oxidative Addition of Aryl Triflates to Zerovalent Palladium Complexes. Evidence for the Formation of Cationic (.sigma.-Aryl)palladium Complexes, Organometallics, vol.14, issue.4, pp.1810-1655, 1993. ,
DOI : 10.1021/om00004a038
); Rf = 0.45 (toluene/EtOAc 9:1); IR (KBr, ? cm -1 ), pp.111-112, 1044. ,
00 (m, 3H, BH 3 ); 13 C NMR (CDCl 3 ) ? (ppm), pp.20-22 ,
8 (d, J = 10.4 Hz, C arom ,
0 (s, OCH 3 ) ,
CDCl 3 ) ? (ppm) +69.5 (m); MS (EI) m/z (relative intensity) 286 (M + -o-An ,
H NMR (CDCl 3 ) ? (ppm), pp.3055-2796, 1037. ,
m, 3H, H arom. ); 13 C NMR (CDCl 3 ) ? (ppm) 142.5 (C qarom, 4.30 (m, 1H, CHN), 4.83 (bs, 1H, CHO), 7.13 (br, pp.90335117-90335124 ,
58.1 (d, J = 9.9 Hz ,
CDCl 3 ) ? (ppm) +70.5 (brd, J PB = 82.7); MS (EI) m/z (relative intensity) 392 (M + + H, HRESI-MS (CH 2 Cl 2 ) Index ranges -34<=h<=34, -13<=k<=12, -22<=l<=22 Reflections collected 9762 Independent reflections ,
Orange solid; mp = 154-156 °C; Rf = 0 ,
133.2 (s, C arom ), 132.4 (d, J = 12.6 Hz, C arom ), 132.2 (s, C arom ), 130.5 (s, C arom ), s, CH 2 O, pp.76-82 ,
72.1 (d, J = 7.9 Hz, Fc), p.69 ,
ArCH 2 Ar), 23.5 (s, CH 2 CH 3 (s, CH 2 CH 3 ), 10.8 (s, CH 3 ), 9.8 (s, CH 3 ); 31 P NMR (CDCl 3 ) ? (ppm) +14.5 ppm; ESI-MS: m/z (%) = 1204, p.1227 ,
s, C arom, 130.4 (d, J = 2.8 Hz, C arom ), 128.4 (d, J = 5.3 Hz, C arom ), 128.2 (d, J = 4.5 Hz 76.8 (s, CH 2 O), 76.7 (s, CH 2 O), 72.4 (d, J = 10.3 Hz, Fc) 30.8 (s, ArCH 2 Ar)CDCl 3 ) ? (ppm) +15.0; ESI-MS: m/z (%) = 898, p.31 ,
4.38 (AX system, 4H, J = 13.2 Hz CH 3 ); 13 C NMR (CDCl 3 ) ? (ppm) ? 156.4 (s, C arom ) (br.s, C arom ), 126.7 (s, C arom, 8H, CH 2 O), 3.06 (AX system, 4H, J = 14.4Hz, ArCH 2 Ar), 1.78 (m, 8H, CH 2 CH 3 ), 1.29 ( d, 3H, J = 3 Hz, CH 3 P), 0.92 (m, 12H 131.6 (d, J = 21.9 Hz, C arom ), 131.1 (d, J = 17.4 Hz, C arom ) 122.0 (d, J = 3.0 Hz, C arom ), 75.8 (s, CH 2 O), 75.7 (s, CH 2 O), 75.6 (s, CH 2 O), 29.9 (s, ArCH 2 Ar), 29.8 (s, ArCH 2 Ar) CH 3 P), pp.15-22 ,
CDCl 3 ) ? (ppm) 7, AX system, 4H, ArCH 2 Ar), pp.85-91 ,
80 ( m, 4H, CH 2 O), 3.14 (AX system CH 3 ); 13 C NMR (CDCl 3 ) ? (ppm) 157.6 (s, C arom ), Hz, Fc), 3.92 (m, 4H, CH 2 O) 4H, J = 13.2 Hz, ArCH 2 Ar), 1.94 (m, 8H, CH 2 CH 3 ), 0.98 (m, 8H, pp.4-0796 ,
1 (s, C arom ) ,
s, C arom ), 128.0 (br.s, C arom ), 127.9 (s, C arom ), 127.8 (s, C arom ), 122.1 (s, C arom, 76.8 (s, CH 2 O), 76.7 (s, CH 2 O), 73.1 (d, J = 18.1 Hz, Fc) ,
white crystals (hexane/dichloromethane); R f = 0.62 (toluene); m.p. = 92°C ,
1 (d, J = 15.1 Hz, C arom ), 134.7 (s, C C arom arom ,
9 (d, J = 10, 55.96 (s, OCH 3 ), -8.64 (d, J = 32.8 Hz, CH 2 I); 31 P NMR (CDCl 3 ) ? (ppm) +23.3 (m) ,
); [?] 20 D = +3.1; 1 H NMR(CDCl 3 ) ? (ppm) 7.70-7, 9.3Hz, CHO), 4.50 (AX system, 4H, J = 12.9 Hz, ArCH 2 Ar)AX system, 4H, J = 12.9 Hz, ArCH 2 Ar) 3H, J = 7.1 Hz, CH 3 N), pp.157-160 ,
d, J = 15.8 Hz, C arom ), 155.7 (s, C arom ), 138.0 (s, C arom ,
0 (d, J = 12.1 Hz, C arom ) ,
3 (s, C arom ), pp.131-137 ,
4 and 8.2 Hz, CH-CH 3, pp.28-35 ,
1 (s, CH 2 CH 30 (s, CH 2 CH 3 , OPr), 16.3 (s, CH 3 CH), ESI-MS:m/z (%)=1098.6 (100) [M+Na] + , 1114 ,
:9) [?] 25 D = -78, pp.46-730 ,
13 C NMR (CDCl 3 ) ? (ppm) 138.1 (s, C arom ), Hz, C arom ) ,
7 (s, C arom, 128.7 (d, J = 5.9 Hz, C arom ) ,
4 (s, CH 3 Ar), 16.2 (s, CH 3 CH); 31 P NMR (CDCl 3 ) ? (ppm) 106 ,
CH 3 ); 13 C NMR (CDCl 3 ) ? (ppm) 138.1 (s, C arom ), p.99 ,
s, CH 2 CH 3 , OPr), 16.5 (s, CH 3 Ar), 16.2 (s, CH 3 CH, 73.8 (s, CH 2 O), 57.3 (d, J = 15.4 Hz, CHCH 3 ), pp.31-34 ,
7 (s, C arom ), 134.5 (br s,C arom ), 137.7 (d, J = 13.4 Hz, pp.132-138 ,
131.2 (d, J = 20.1 Hz, C arom ) ,
3 (s, C arom ), 121.3 (s, C arom ), 126.7 (d, J = 3.1 Hz, C arom ), pp.75-81 ,
8 (br s, ArCH 2 Ar), 29.7 (s, ArCH 2 Ar), pp.22-22 ,
5 (s, CH 3 ), 9.1 (s, CH 3 ); 31 P NMR (CDCl 3 ) ? (ppm) 110, p.65 ,
85 (m, 1H, CHCH 3 ), 2.13 (br s, 9H, CH 3 Ar and CH 3 N), p.27 ,
CH 3 CH) 13 C NMR (CDCl 3 ) ? (ppm) 142.2 (d, J = 12 ,
7 (d, J = 8.3 Hz, C arom ), C arom ), vol.127, issue.865 ,
3 (dd, J = 37, 32.2 (d, J = 9.8 Hz, CH 3 N) ,
1(d, J = 13.2 Hz, C arom ) ,
3 (d, J = 21.8 Hz, C arom ), 133.3 (s, C arom ) ,
6 (dd, J = 18.1 and 11, 73.7 (s, CH 2 O) ,
0 (d, J = 9 Hz, CH 3 N) ,
96 (br s, 1H, H arom ), and CHCH 3 ), 4.58 (br s, 2H, COD), 4.47 (br s, 1H, COD), 4.34 (br s, 1H, COD), 2.85 (m, 1H,COD), 2.52 (m, 1H, COD), 2.23 (s, 6H, CH 3 Ar), 2.14 (m, 6H, COD), 1.90 (d, 3H, J = 6.6 Hz, CH 3 N), 1.35 (d, 3H, J = 6.9 Hz, CH 3 CH), pp.226-228 ,