1 Hz, CH 3 iPr' of p-cymene), 1.63 (s, 3H ,
19 (s, 3H, OMe), 3.34 (s, 3H, OMe), 3.35 (s, 3 H, OMe), 3.40 (s, 3H, OMe), 3.41 (s, 3H, OMe), 3.45 (s, 3H, OMe), 3.46 (s, 3H, OMe), 3.47 (s, 3H, OMe), 3.48 (s, 3H, OMe), 3.51 (s, 3H, OMe), 3.52 (s, 3H, OMe), 3.53 (s, 3H, OMe), 3.54 (s, 3H, OMe), 3.56 (s, 3H, OMe), 3.58 (s, 3H, OMe), pp.62698206-62698209 ,
05 (d, 1H, 3 J H-1,H-2 = 3.5 Hz, H-1), 5, pp.6-11 ,
4 (s) ppm; elemental analysis (%) calcd for C 77 H 125 Cl 2 O 33 PRu·CH 2 Cl 2 (1781.75 + 84.93): C, 50.19; H, 6.86; found: C, 50.05; H, 6.80; MS (ESI-TOF): m/z (%): 1803, p.210 ,
CH 3 iPr of p-cymene), 1.05 (d, 3H, 3 J CH3,CH = 7.1 Hz, CH 3 iPr' of p-cymene), 1.73 (s, 3H, 94 (d, 3H, 3 J CH3,CH = 7.1 Hz, pp.50-51 ,
36 (s, 3H, OMe), 3.38 (s, 3H, OMe), 3.39 (s, 3H, OMe), 3.40 (s, 3H, OMe), 3.41 (s, 3H, OMe), 3.45 (s, 3H, OMe), 3.46 (s, 3H, OMe), 3.48 (s, 6H, OMe), 3.49 (s, 3H, OMe), 3.53 (s, 3H, OMe), 3.56 (s, 3H, OMe), 3.57 (s, 3H, OMe), 3.58 (s, 3H, OMe), 3.92 (dd, 1H, 2 J H-6a,H-6b = 10.3 Hz, pp.12-15 ,
9 Hz, o-H' of p-cymene), 4.95 (d, 1H, 3 J m-H,o-H = 5.9 Hz, pp.4-74 ,
06 (d, 1H, 3 J H-1,H-2 = 3.1 Hz, pp.10-11 ,
C-4), 83.45, 83.65 (C ortho of p-cymene) (s) ppm; elemental analysis (%), C ipso ), vol.82898443541861, issue.128, pp.95-6294 ,
07 mmol) in CH 2 Cl 2 (5 mL) was added dropwise to a solution of04 mmol) in CH 2 Cl 2 (5 mL) under vigorous stirring at room temperature. The reaction mixture was stirred for 1 h before being evaporated to dryness in vacuo to afford quantitatively a mixture of 10a and 10b (10a/10b, 85:15, 0.114 g, 99%) as a brown solid. R f (SiO 2 ) = dec; mp > 250 °C; Selected spectroscopic data: 13 C{ 1 H} NMR (125.8 MHz, CDCl 3 , 25 °C) ? 181 (s, CO) cm ?1 ; elemental analysis (%) calcd for C, ) [M + CO + Na] + . 11: A solution of [Rh(CO) 2 Cl CH 2 Cl 2 (5 mL) under vigorous stirring at room temperature. After 1 h, the volume of the reaction mixture was reduced to 5 mL and pentane (40 mL) was added in order to precipitate unreacted [Rh(CO) 2, pp.1803-6212, 1985. ,
H-6b = 2 J H-6a,P = 3 J H-6a,H-5 = 1517 (t, 1H, 2 J H-6a,H-6b = 2 J H-6a,P = 14.2 Hz20 (s, 3H, OMe), 3.30 (s, 3H, OMe), 3.32 (s, 3H, OMe), 3.36 (s, 3H, OMe), 3.45 (s, 6H, OMe), 3.46 (s, 3H, OMe), 3.48 (s, 3H, OMe), 3.50 (s, 6H, OMe), 3.52 (s, 3H, OMe), 3.53 (s, 3H, OMe), 3.59 (s, 6H, OMe), 3.62 (s, 3H, OMe), 3.64 (s, 3H, OMe), 3.65 (s, 3H, OMe), 3.68 (s, 3H, OMe), 3.76 (s, 3H, OMe), 3, The resulting solution was evaporated to dryness in vacuo to afford quantitatively 11 as a brown powder (0.103 g, 83%). mp dec >250 °C; 1 H NMR (500.1 MHz, CDCl 3 , 25 °C) ? (assignment by combined COSY and HSQC) = 1.91 (q, 1H), 5.00 (d, 1H, 3 J H-1,H-2 = 4.6 Hz, H-1), 5.03 (d, 1H, 3 J H-1,H-2 = 3.7 Hz °C) ? (assignment by HSQC) = 32.32 (d, 1 J C,P = 29.3 Hz, C-6 A ), pp.13-16 ,
(C-1), 127.62, 176.16 [×2] (d, 1 J C,Rh = 77.2 Hz, CO), p.63 ,
CDCl 3 , 25 °C) ? 40.5 (d, 1 J P,Rh = 172 Hz) ppm 2004 (s, CO) cm ?1 ; We do not provide microanalytical data for this compound because of strong hydration, pp.2086-2026 ,
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