Hydrochloric Acid → 8-(2-Chlorophenyl)-2,2 dimethyl-8-(1,4,6,7-tetrahydro-pyrrolo[3,2-c]pyridine-5-yl)-octanoic acid, hydrochloride salt
Reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[CH:8]([N:20]1[CH2:25][CH2:24][C:23]2[NH:26][CH:27]=[CH:28][C:22]=2[CH2:21]1)[CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][C:14]([CH3:19])([CH3:18])[C:15]([OH:17])=[O:16].Cl.O>C(OCC)C>[ClH:1].[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[CH:8]([N:20]1[CH2:25][CH2:24][C:23]2[NH:26][CH:27]=[CH:28][C:22]=2[CH2:21]1)[CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][C:14]([CH3:19])([CH3:18])[C:15]([OH:17])=[O:16]Participants
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
8-(2-Chlorophenyl)-2,2 dimethyl-8-(1,4,6,7-tetrahydro-pyrrolo[3,2-c]pyridine-5-yl)-octanoic acid (0.09 g, 0.22 mmol) was dissolved in diethyl ether (5 mL) and added to HCl solution (2N HCl in diethyl ether). Water (5 mL) was added and after mixing the organic layer was discarded. The aqueous solution was freeze dried to afford 8-(2-chlorophenyl)-2,2 dimethyl-8-(1,4,6,7-tetrahydro-pyrrolo[3,2-c]pyridine-5-yl)-octanoic acid, hydrochloride salt (Compound Iq hydrochloride, 0.09 g, 86.5% yield) as a light yellow powder. 1H NMR (Field: 300 MHz, Solvent: CD3OD/TMS) δ (ppm): 10.28 (br, 1H), 7.61 (br s, 1H), 7.48-7.40 (m, 3H), 6.57 (d, 1H, J=10.8 Hz), 5.86-5.70 (2 s, 1H), 4.79-4.52 (m, 3H), 4.19-3.86 (m, 2H), 3.45-2.77 (m, 4H), 2.22-2.06 (m, 2H), 1.26-0.65 (m, 8H), 0.97 (s, 6H). (mixture of conformation isomers in NMR). 13C NMR (Field: 75 MHz, Solvent: CDCl3/TMS) 6 (ppm) 181.66, 137.12, 132.64, 132.39, 129.68, 122.62, 119.72, 109.61, 105.95, 105.76, 66.09, 51.79, 50.73, 43.06, 41.57, 37.95, 31.80, 30.52, 26.59, 25.78, 21.67. HRMS (HR, DIP-CI): Calculated for C23H3ClN2O2 (M+H)+: 403.2147. found 403.2158. CHN analysis: Calculated; 62.87; C, 7.34; H, 6.37; N, 16.14 Cl. found; 60.04; C, 7.05; H, 5.92; N, 15.88 Cl.
Workup
- additionafter mixing the organic layer
- customdried
Sources & evidence
- ORD record
- ord-660d0aae4e6c44a7841a376d4448a155
- Source dataset
- uspto-grants-2015_07
- Patent number
- US09085585B2
Reaction notes
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