List of used abbreviations - RosDok - Universität Rostock

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