List of used abbreviations - RosDok - Universität Rostock
List of used abbreviations - RosDok - Universität Rostock
List of used abbreviations - RosDok - Universität Rostock
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Me<br />
3,4-Dimethyl-2-phenylsulfanyl-benzoic acid methyl ester<br />
(12b): Starting with 3b (440 mg, 1.5 mmol), 11a (0.23 mL,<br />
2.25 mmol), TiCl4 (0.25 mL, 2.25 mmol) and CH2Cl2 (9 mL),<br />
12b was isolated as a highly viscous oil (163 mg, 40%). 1 H<br />
NMR (250 MHz, CDCl3): δ = 2.19 (s, 3H, CH3), 2.23 (s, 3H,<br />
CH3), 3.75 (s, 3H, OCH3), 7.09-7.13 (m, 7H, Ar); 13 C NMR (63 MHz, CDCl3): δ = 19.1<br />
(CH3), 20.5 (CH3), 52.1 (OCH3), 125.5, 127.3 (ArCH), 127.8 (C), 128.8, 131.2, 131.4<br />
(ArCH), 132.8, 137.0, 140.7, 141.4 (C); IR (KBr, cm −1 ): v� = 2949 (w), 2922 (w), 2855<br />
(w), 1729 (s), 1588 (m), 1487 (s), 1432 (m), 1386 (m), 1281 (s), 1203 (s), 156 (s),<br />
1111 (s); MS (EI, 70 eV): m/z (%) = 272 (M + , 85), 241 (41), 240 (29), 239 (100), 211<br />
(26), 197 (35), 179 (10), 135 (5); HRMS (EI): calcd for C16H16O2S [M + ]: 272.08655,<br />
found: 272.086221.<br />
Et<br />
S<br />
S<br />
O<br />
Me<br />
O<br />
Me<br />
OMe<br />
OMe<br />
3-Ethyl-4-methyl-2-phenylsulfanyl-benzoic acid methyl<br />
ester (12c): Starting with 3c (460 mg, 1.5 mmol), 11a (0.23<br />
mL, 2.25 mmol), TiCl4 (0.25 mL, 2.25 mmol) and CH2Cl2 (9<br />
mL), 12c was isolated as a highly viscous oil (150 mg, 35%).<br />
1 H NMR (250 MHz, CDCl3): δ = 1.00 (t, 2 J = 7.5 Hz, 3H,<br />
CH2CH3), 2.23 (s, 3H, CH3), 2.63 (q, ²J = 7.5 Hz, 2H, CH2), 3.71 (s, 3H, OCH3), 7.08-<br />
7.17 (m, 7H, Ar); 13 C NMR (75 MHz, CDCl3): δ = 14.8, 19.1 (CH3), 26.7 (CH3CH2),<br />
52.0 (OCH3), 125.3, 127.0, 128.7, 129.8, 131.6 (ArCH), 132.8, 137.9, 141.7, 146.5,<br />
169.3 (C); IR (KBr, cm −1 ): v� = 3055 (w), 2965 (w), 2948 (w), 2928 (w), 2870 (w), 2738<br />
(w), 1729 (s), 1580 (m), 1477 (m), 1432 (m), 1393 (w), 1323 (w), 1271 (s), 1200 (s),<br />
1157 (m), 1111 (s), 1080 (m), 1058 (m), 1023 (m), 1013 (m), 959 (m), 893 (w), 826<br />
69