3-(1,2,3,6-Tetrahydropyridin-4-yl)-1H-indole → HCID 12114959, compound

HRID 433139Notes

Reaction equation

HRID 433139 reaction equation
CC1C=CC(S(O[CH2:12][C@H:13]2[CH2:22][CH2:21][C:20]3[C:15](=[C:16]([O:23][CH3:24])[CH:17]=[CH:18][CH:19]=3)[O:14]2)(=O)=O)=CC=1.[NH:25]1[CH2:30][CH:29]=[C:28]([C:31]2[C:39]3[C:34](=[CH:35][CH:36]=[CH:37][CH:38]=3)[NH:33][CH:32]=2)[CH2:27][CH2:26]1>CS(C)=O.C(OCC)(=O)C>[CH3:24][O:23][C:16]1[CH:17]=[CH:18][CH:19]=[C:20]2[C:15]=1[O:14][C@@H:13]([CH2:12][N:25]1[CH2:26][CH:27]=[C:28]([C:31]3[C:39]4[C:34](=[CH:35][CH:36]=[CH:37][CH:38]=4)[NH:33][CH:32]=3)[CH2:29][CH2:30]1)[CH2:22][CH2:21]2

Participants

5

Reactant 2

HCID 27610233-(1,2,3,6-Tetrahydropyridin-4-yl)-1H-indoleHCID 12114957[(2R)-8-methoxy-3,4-dihydro-2H-chromen-2-yl]methyl 4-methylbenzenesulfonate

Product 1

HCID 12114959HCID 12114959, compoundYield 68%

Reagents, catalysts & solvents 2

HCID 679Dimethyl SulfoxideSolventHCID 8857Ethyl AcetateSolvent

Conditions

Temperature
80 °C

Procedure

To a solution of [(2R)-8-methoxy-3,4-dihydro-2H-chromen-2-yl]methyl 4-methylbenzenesulfonate (0.348 g, 1.00 mmol) in methyl sulfoxide (20 mL) was added 3-(1,2,3,6-tetrahydro-4-pyridinyl)-1H-indole (0.793 g, 4.00 mmol) and the reaction mixture was heated to 80° C. for 12 h. The reaction mixture was allowed to cool to room temperature and was diluted with ethyl acetate (200 mL), washed with water (2×100 mL), aqueous sodium chloride (100 mL), dried (magnesium sulfate) and the solvent was removed in vacuo to give a crude solid. Purification by flash column chromatography (silica, ethyl acetate:hexanes 4:1) followed by recrystallization from ethanol provided 0.254 g (68%, 40% ee) of 3-(1-{[(2R)-8-methoxy-3,4-dihydro-2H-chromen-2-yl]methyl}-1,2,3,6-tetrahydro-4-pyridinyl)-1H-indole as a yellow crystalline powder. [α]D25=−28.22 (c 9.92 in chloroform, 40% ee); Rf=0.34 (silica, ethyl acetate:hexanes 4:1); mp 190-194° C. dec; Anal. Calcd. for C24H26N2O2.0.1 H2O: C, 76.61; H, 7.02; N, 7.44. Found: C, 76.42; H, 6.99 N, 7.43.

Workup

  1. temperatureto cool to room temperature
  2. washwashed with water (2×100 mL), aqueous sodium chloride (100 mL)
  3. dry with materialdried (magnesium sulfate)
  4. customthe solvent was removed in vacuo
  5. customto give a crude solid
  6. customPurification by flash column chromatography (silica, ethyl acetate:hexanes 4:1)
  7. customfollowed by recrystallization from ethanol

Sources & evidence

ORD record
ord-0a8401c9ccef4c0aabae5255cb917f0d
Source dataset
uspto-grants-2003_12
Patent number
US06667322B2

Reaction notes

Loading…