Homogeneous CO Hydrogenation: Ligand Effects on the Lewis Acid ...

(C 6D 5Cl, 300 MHz): δ 1.08 (br m, 2H), 1.48 (br m, 8H), 1.70 (br m, 6H), 1.84 (br s, 2H), 2.82 (br
m, 2H), 7.16-7.23 (m, 2H), 7.26-7.33 (m, 4H), 7.45-7.54 (m, 4H). 31 P{ 1 H} NMR (C 6D 5Cl, 121
MHz): δ -6.2. 19 F NMR (C 6D 5Cl, 282 MHz): δ -78.2. 13 C{ 1 H} NMR (CD 2Cl 2, 125 Hz): δ 20.3,
-
23.6, 26.1, 29.0 (br), 31.6 (br), 33.6, 34.6 (d, JPC = 30.0 Hz), 121.6 (q, JFC = 321.0 Hz, SO3CF3 ),
130.5 (d, J PC = 53.5 Hz), 130.5 (d, J PC = 10.7 Hz), 132.2 (d, J PC = 10.2 Hz), 133.1 (d, J PC = 2.2
Hz), 175.8 (br, axial <strong>CO</strong>), 178.9 (br, equatorial <strong>CO</strong>). 11 B{ 1 H} NMR (CD 2Cl 2, 160 MHz): δ 87.4.
IR (CH 2Cl 2): υ <strong>CO</strong>, 2156 (m), 2095 (w), 2047 (vs) cm -1 . Anal. Calcd. for C 29H 30BF 3O 8PReS: C,
42.29; H, 3.74. Found: C, 42.08; H, 3.74.
Figure S60. 1 H NMR (1 THF of crystallization).
S53