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For representative examples of Cu(I)-catalyzed addition of sulfonyl chlorides to alkenes, see:
3a
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4 For peroxide-induced addition of sulfonyl chlorides to alkenes, see: Kharash MS.
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5a
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6 Crystallographic data of 1b: colorless plate, orthorhombic, Space group Pbca (No. 61), a = 10.199 (3), b = 16.367 (6), c = 17.701 (5) Å, α = 90.00°, β = 90.00°, γ = 90.00°, Z = 8, R
1 = 0.1563, wR
2 = 0.1519 (all data), GOF = 1.053.
7
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10
Representative Procedure for the Hydroxyl Sulfonylation of Alkenes. Preparation of 1-Phenyl-2-(
p
-toluenesulfonyl)ethanol (
1a).
p-Toluenesulfonyl chloride (286 mg, 1.5 mmol) and toluene-4-sulfonic acid (35 mg, 0.20 mmol) were dissolved in 5 mL THF. To the solution was added styrene (116 µL, 1.0 mmol) and H2O (22 µL, 1.2 mmol) at r.t. The mixture was warmed up to 50 °C and stirred for 36 h. Then it was quenched with H2O and the aqueous layers were extracted with Et2O (20 mL) for 3 times, and the combined organic layers were dried over Na2SO4. The ether extract was evaporated and the crude product was purified by column chromatography on silica gel (EtOAc/petroleum ether = 1:4) to afford compound 1a
[7]
(207 mg) as white powder in 75%. 1H NMR (CDCl3, SiMe4): δ = 2.46 (s, 3 H), 3.32 (d, J = 14.5 Hz, 1 H), 3.47 (dd, J = 10.0, 14.5 Hz, 1 H), 3.76 (br s, 1 H), 5.25 (d, J = 10.0 Hz, 1 H), 7.26-7.31 (m, 5 H), 7.38 (d, J = 7.8 Hz, 2 H), 7.84 (d, J = 7.8 Hz, 2 H). 13C NMR (CDCl3, SiMe4): δ = 21.7, 64.0, 68.5, 125.7, 128.0, 128.3, 128.8, 130.1, 136.2, 140.7, 145.3. ESI-MS: 283.1 [M + Li+], 299.1 [M + Na+].
11
1-
p
-Chlorophenyl-2-(
p
-toluenesulfonyl)ethanol (
1b):
[2c]
white powder (224 mg, 72%). 1H NMR (CDCl3, SiMe4): δ = 2.46 (s, 3 H), 3.28 (d, J = 14.5 Hz, 1 H), 3.43 (dd, J = 10.0, 14.5 Hz, 1 H), 3.88 (br s, 1 H), 5.23 (d, J = 9.5 Hz, 1 H), 7.21-7.28 (m, 4 H), 7.37 (d, J = 7.8 Hz, 2 H,), 7.37 (d, J = 8.0 Hz, 2 H). 13C NMR (CDCl3, SiMe4): δ = 21.7, 63.8, 67.9, 27.1, 128.0, 128.9, 130.1, 134.0, 136.1, 139.3, 145.4. ESI-MS: 333.1, 335.1 [M + Na+].
12
1-Tolyl-2-(
p
-toluenesulfonyl)ethanol (
1c):
[2c]
white powder (206 mg, 70%). 1H NMR (CDCl3, SiMe4): δ = 2.30 (s, 3 H), 2.46 (s, 3 H), 3.29 (dd, J = 1.8, 14.3 Hz, 1 H,), 3.47 (dd, J
1 = 10.1 Hz, J
2 = 14.3 Hz, 1 H), 3.69 (br s, 1 H), 5.20 (d, J = 9.84 Hz, 1 H), 7.12-7.18 (m, 4 H), 7.37 (d, J = 8.0 Hz, 2 H), 7.82 (d, J = 8.4 Hz, 2 H). 13C NMR (CDCl3, SiMe4): δ = 21.2, 21.8, 64.1, 68.4, 125.7, 128.1, 129.5, 130.2, 136.3, 137.9, 138.2. 145.3. ESI-MS: 297.1 [M + Li+], 313.1 [M + Na+].
13
2-Phenyl-1-(
p
-toluenesulfonyl)-propan-2-ol (
1d):
[8]
white powder (238 mg, 82%). 1H NMR (CDCl3, SiMe4): δ = 1.69 (s, 3 H), 2.37 (s, 3 H), 3.65 (AB, q, J = 14.8 Hz, 2 H), 4.64 (br s, 1 H), 7.14-7.28 (m, 5 H), 7.47 (d, J = 8.2 Hz, 2 H), 7.27 (d, J = 8.4 Hz, 2 H). 13C NMR (CDCl3, SiMe4): δ = 21.7, 30.9, 66.8, 73.3, 124.7, 127.2, 127.6, 128.3, 129.8, 137.4, 144.6. ESI-MS: 297.0 [M + Li+], 313.0 [M + Na+].
14
2-Methanesulfonyl-1-phenyl-ethanol (
1e):
[2a]
white powder (104 mg, 51%). 1H NMR (CDCl3, SiMe4): δ = 3.03 (s, 3 H), 3.14 (d, J = 14.8 Hz, 1 H,), 3.44 (dd, J = 10.0, 14.8 Hz, 1 H), 3.21 (br s, 1 H), 5.32 (d, J = 10.3 Hz, 1 H), 7.34-7.38 (m, 5 H). 13C NMR (CDCl3, SiMe4): δ = 43.0, 62.5, 69.4, 125.8, 128.7, 129.1, 141.2. ESI-MS: 206.9 [M + Li+], 222.9 [M + Na+].
15
1-(4-Chlorophenyl)-2-methanesulfonylethanol (
1f): white powder (101 mg, 43%). 1H NMR (CDCl3, SiMe4): δ = 3.05 (s, 3 H), 3.12 (d, J = 14.8 Hz, 1 H,), 3.41 (dd, J = 10.3, 14.8 Hz, 1 H), 3.26 (br s, 1 H), 5.32 (d, J = 10.0 Hz, 1 H), 7.30-7.35 (m, 4 H). 13C NMR (CDCl3, SiMe4): δ = 43.0, 62.3, 68.7, 127.2, 129.3, 134.5, 139.6. ESI-MS: 238.9, 240.9 [M + Na+]. HRMS: anal. calcd for C9H11ClO3S: 234.0117, 236.0088; found: 234.0111, 236.0046.
16
1-Tolyl-2-(methanesulfonyl)ethanol (
1g): white powder (130 mg, 61%). 1H NMR (CDCl3, SiMe4): δ = 2.34 (s, 3 H), 3.02 (s, 3 H), 3.08-3.13 (m, 2 H), 3.43 (dd, J = 10.1, 14.9 Hz, 1 H), 5.26 (d, J = 10.3 Hz, 1 H), 7.18 (d, J = 8.2 Hz, 2 H), 7.25 (d, J = 7.9 Hz, 2 H). 13C NMR (CDCl3, SiMe4): δ = 21.2, 42.9, 62.5, 69.2, 125.7, 129.7, 138.3, 138.6. ESI-MS: 221.0 [M + Li+]. HRMS: anal. calcd for C10H14O3S: 214.0664; found: 214.0665.
17
1-Methanesulfonyl-2-phenyl-propan-2ol (
1h):
[9]
oily liquid (152 mg, 71%). 1H NMR (CDCl3, SiMe4): δ = 1.73 (s, 3 H), 2.42 (s, 3 H), 3.52 (AB q, J = 14.8 Hz, 2 H), 4.36 (br s, 1 H), 7.42-7.49 (m, 5 H). 13C NMR (CDCl3, SiMe4): δ = 30.7, 43.2, 65.7, 72.6, 124.9, 127.9, 128.9, 144.65. ESI-MS: 220.9 [M + Li+].