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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Et<br />
S<br />
2-(4-Ethylphenylsulfanyl)-4,6-dimethyl-benzoic acid<br />
methyl ester (5o): Starting with 4a (387 mg, 2.3 mmol), 3g<br />
(462 mg, 1.5 mmol), TiCl4 (0.25 mL, 2.3 mmol) and CH2Cl2 (9<br />
mL), 5o was isolated as a highly viscous oil (221 mg, 49%).<br />
1 H NMR (250 MHz, CDCl3): δ = 1.14 (t, 3H, J = 7.2 Hz, CH3),<br />
Me Me<br />
2.12 (s, 3H, CH3), 2.22 (s, 3H, CH3), 2.56 (q, 2H, J = 7.2 Hz, CH2), 3.79 (s, 3H,<br />
OCH3), 6.82-7.21 (m, 6H, ArH). 13 C NMR (75 MHz, CDCl3): δ = 15.4, 19.6, 21.6<br />
(CH3), 28.4 (CH2), 52.0 (OCH3), 128.7 (2C, ArCH), 129.4, 129.9 (ArCH), 131.8 (2C<br />
ArCH), 132.1, 133.2, 133.9, 135.9, 139.9, 143.6 (ArC), 169.2 (C). IR (neat): ν̃ = 3018<br />
(w), 2963 (w), 2928 (w), 2871 (w),1727 (s), 1599 (m), 1491 (m), 1435 (m), 1404 (w),<br />
1377 (w), 1266 (s), 1257 (s), 1217 (m), 1187 (m), 1152 (s), 1078 (s), 1016 (m), 965<br />
(w), 947 (w) 849 (m), 810 (m), 778 (w), 738(m) 579 (m), 555 (w) cm −1 . GC-MS (EI, 70<br />
eV): m/z (%): 300 (M + , 100), 284 (5), 283 (26), 282 (10), 281 (27), 267 (7), 254 (20),<br />
253 (97), 239 (7), 225 (15), 178 (5), 134 (4), 121 (19). HRMS (EI): calcd for<br />
C18H20O2S [M + ]: 300.11785, found 300.117168.<br />
Et<br />
O<br />
OMe<br />
2-(4-Ethylphenylsulfanyl)-3,4,6-trimethyl-benzoic acid<br />
methyl ester (5p): Starting with 4a (387 mg, 2.3 mmol), 3h<br />
(483 mg, 1.5 mmol), TiCl4 (0.25 mL, 2.25 mmol) and CH2Cl2<br />
(9 mL), 5p was isolated as a highly viscous oil (212 mg,<br />
45%). 1 Me<br />
S O<br />
OMe<br />
Me Me<br />
H NMR (250 MHz, CDCl3): δ = 1.09 (t, 3H, J = 7.2 Hz,<br />
CH3), 2.16 (s, 3H, CH3), 2.18 (s, 3H, CH3), 2.19 (s, 3H, CH3), 2.47 (q, 2H, J = 7.2 Hz,<br />
CH2), 3.74 (s, 3H, OCH3), 6.93-7.17 (m, 5H, ArH). 13 C NMR (75 MHz, CDCl3): δ =<br />
48