1-(1h-indol-1-yl)-3-(4-methylpiperazin-1-yl)-1-phenyl propan-2-ol derivatives and related compounds as modulators of the norepinephrine(NE) and the serotonine(5-HT) activity and the monoamine reuptake
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Embodiment 1
[0693] Example 1: (1RS, 2SR)-1-(1H-indol-1-yl)-3-(4-methylpiperazin-1-yl)-1-phenylpropan-2-ol dihydrochloride Salt
[0694]
[0695] Step 1: A mixture of indole (2.34 g, 20 mmol) and crushed solid potassium hydroxide (1.12 g, 20 mmol) was stirred at room temperature under nitrogen atmosphere for 30 minutes. A solution of trans-3-phenylglycidol (3.0 g, 20 mmol) in dimethylsulfoxide (1 mL) was then added and the mixture was stirred at 70° C. for 2 hours until no epoxide remained. The mixture was then cooled and partitioned between water and dichloromethane. The organic layer was separated, washed several times with water, dried over anhydrous sodium sulfate, filtered and concentrated in vacuo. The crude product was purified via Biotage chromatography (FlasH40i, silica, 10%, 20%, 30% ethyl acetate / hexanes) to give 1.92 g (36%) of (2RS, 3RS)-3-indole-1- Base-3-phenyl-propane-1,2-diol as an oil. 1 HNMR (DMSO): δ3.27 (m, 2H, CH 2 OH), δ4.45(m, 1H, CHOH), δ4.80(t, 1H, CHOH 2...
Embodiment 2
[0698] Example 2: (1RS, 2SR)-1-(5-fluoro-1H-indol-1-yl)-3-(4-methylpiperazin-1-yl)-1-phenylpropane-2- Alcohol dihydrochloride
[0699]
[0700] From 5-fluoroindole and trans-3-phenylglycidol, (2RS, 3RS)-3-(5-fluoro-indol-1-yl)-3 was prepared in a manner similar to Example 1 step 1 -Phenyl-propane-1,2-diol as an oil. MS (ESI) m / z 286 ([M+H] + ).
[0701] Prepare (2RS, 3RS)-Toluene-4-sulfonic acid 3-(5-fluoro-indol-1-yl)-2-hydroxy-3-phenyl-propyl ester. MS (ESI) m / z 440 ([M+H] + ).
[0702] From (2RS, 3RS)-toluene-4-sulfonic acid 3-(5-fluoro-indol-1-yl)-2-hydroxyl-3-phenyl-propyl ester, according to steps similar to Example 1 step 3 Preparation of (1RS, 2SR)-1-(5-fluoro-1H-indol-1-yl)-3-(4-methylpiperazin-1-yl)-1-phenylpropan-2-ol di Hydrochloride.
[0703] MS m / z 368 ([M+H] + ); HRMS: calculated value C 22 h 26 FN 3O +H+, 368.21327; Found (ESI, [M+H]+), 368.213.
Embodiment 3
[0704] Example 3: (1RS, 2SR)-1-(1H-indol-1-yl)-3-morpholin-4-yl-1-phenylpropan-2-ol hydrochloride
[0705]
[0706] From (2RS, 3RS)-toluene-4-sulfonic acid 2-hydroxy-3-indol-1-yl-3-phenylpropyl ester (Example 1, step 3) and morpholine, following a procedure analogous to Example Preparation of (1RS, 2SR)-1-(1H-indol-1-yl)-3-(4-methylpiperazin-1-yl)-1-phenylpropane-2-alcohol salt in step 3 salt.
[0707] MS (ESI) m / z 337 ([M+H] + ); HRMS: calculated value C 21 h 24 N 2 o 2 +H+, 337.19105; Found (ESI, [M+H]+), 337.1909.
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