List of used abbreviations - RosDok - Universität Rostock

241 (54), 240 (16), 239 (72), 226 (16), 225 (73), 198 (22), 197 (35), 165 (11), 121 (9),
105 (5), 77 (6); HRMS (EI): calcd for C16H16O2S [M + ]: 272.08655, found 272.086256.
3-(4-Chlorophenylsulfanyl)-biphenyl-4-benzoic acid methyl
ester (12g). Starting with 3i (370 mg, 1.2 mmol), 11b (0.22 mL, 1.3
mmol), TiCl4 (0.2 mL, 1.7mmol) and CH2Cl2 (7 mL), 12g was
isolated as a highly viscous oil (157 mg, 37%). 1 H NMR (250 MHz,
CDCl3): δ = 3.53 (s, 3H, OCH3), 7.18-7.32 (m, 12H, Ar); 13 C NMR
(63 MHz, CDCl3): δ = 52.1 (OCH3), 127.8, 128.2, 128.4, 129.0,
129.4, 130.1, 131.2, 132.8 (ArCH), 133.6, 133.6, 133.9, 135.7, 139.81, 141.1, 168.6
(C); IR (KBr, cm −1 ): v� = 3058 (w), 2996 (w), 2949 (w), 2927 (w), 2856 (w), 1729 (s),
1662 (w), 1574 (m), 1563 (m), 1459 (m), 1451 (m), 1435 (m), 1337 (w), 1267 (s),
1242 (s), 1189 (m), 1106 (s), 1067 (s), 955 (w), 773 (s), 678 (m), 663 (w); MS (EI, 70
eV): m/z (%) = 356 (M + , 37 Cl, 39), 354 (M + , 35 Cl, 100), 323 (36), 244 (15), 91 (7), 77
(5); HRMS (EI): calcd for C20H15O2ClS [M + ]: 354.06323, found: 354.063118.
Cl
Cl
S
S
O
Ph
OMe
O
Me
OMe
2-(3-Chlorophenylsulfanyl)-4-methyl-benzoic acid methyl
ester (12h): Starting with 3k (470 mg, 1.5 mmol), 11a (0.23
mL, 2.25 mmol), TiCl4 (0.25 mL, 2.25 mmol) and CH2Cl2 (9
mL), 12h was isolated as a highly viscous oil (210 mg, 48%).
1 H NMR (250 MHz, CDCl3): δ = 2.28 (s, 3H, CH3), 3.79 (s, 3H,
72