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Diethyl Ether → 1-(4-dimethylamino-4-phenyl-cyclohexylmethyl)-3-[2-(1H-indol-3-yl)-1-methyl-ethyl]-urea

HRID 1394266
Notes
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Reaction equation

HRID 1394266 reaction equation
[CH3:1][N:2]([CH3:32])[C:3]1([C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=2)[CH2:8][CH2:7][CH:6]([CH2:9][NH:10][C:11]([NH:13][CH:14]([CH3:25])[CH2:15][C:16]2[C:24]3[C:19](=[CH:20][CH:21]=[CH:22][CH:23]=3)[NH:18][CH:17]=2)=[O:12])[CH2:5][CH2:4]1.[Cl:33][Si](C)(C)C.C(OCC)C>CC(CC)=O>[ClH:33].[CH3:32][N:2]([CH3:1])[C:3]1([C:26]2[CH:27]=[CH:28][CH:29]=[CH:30][CH:31]=2)[CH2:8][CH2:7][CH:6]([CH2:9][NH:10][C:11]([NH:13][CH:14]([CH3:25])[CH2:15][C:16]2[C:24]3[C:19](=[CH:20][CH:21]=[CH:22][CH:23]=3)[NH:18][CH:17]=2)=[O:12])[CH2:5][CH2:4]1.[CH3:32][N:2]([CH3:1])[C:3]1([C:26]2[CH:27]=[CH:28][CH:29]=[CH:30][CH:31]=2)[CH2:8][CH2:7][CH:6]([CH2:9][NH:10][C:11]([NH:13][CH:14]([CH3:25])[CH2:15][C:16]2[C:24]3[C:19](=[CH:20][CH:21]=[CH:22][CH:23]=3)[NH:18][CH:17]=2)=[O:12])[CH2:5][CH2:4]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 3283Diethyl EtherHCID 6397ChlorotrimethylsilaneHCID 117544171-(4-dimethylamino-4-phenyl-cyclohexylmethyl)-3-[2-(1H-indol-3-yl)-1-methyl-ethyl]-urea

Product 2

HCID 117544161-(4-Dimethylamino-4-phenylcyclohexylmethyl)-3-[2-(1H-indol-3-yl)-1-methylethyl]urea hydrochlorideHCID 11754417
1-(4-dimethylamino-4-phenyl-cyclohexylmethyl)-3-[2-(1H-indol-3-yl)-1-methyl-ethyl]-urea
Yield 209.3%

Reagents, catalysts & solvents 1

HCID 6569Methyl Ethyl KetoneSolvent

Procedure

The more nonpolar diastereoisomer of 1-(4-dimethylamino-4-phenyl-cyclohexyl-methyl)-3-[2-(1H-indol-3-yl)-1-methyl-ethyl]-urea (157 mg, 0.36 mmole) was dissolved in ethyl methyl ketone (6 ml). Chlorotrimethylsilane (69 μl, 0.6 mmole) was added dropwise with stirring at RT. On stirring for one hour at RT, only a little precipitate formed. The reaction solution was combined with diethyl ether (25 ml). The mixture was then vigorously stirred at RT for 1 h. A colorless precipitate was formed. The solid was filtered out, washed with diethyl ether (3×2 ml) and dried under a vacuum. The hydrochloride of the more nonpolar diastereoisomer of 1-(4-dimethylamino-4-phenyl-cyclohexylmethyl)-3-[2-(1H-indol-3-yl)-1-methyl-ethyl]-urea (163 mg, m.p. 150-155° C., 97%; Example 25) was obtained in this manner as a colorless solid.

Workup

  1. stirringOn stirring for one hour at RT
  2. customonly a little precipitate formed
  3. stirringThe mixture was then vigorously stirred at RT for 1 h
  4. customA colorless precipitate was formed
  5. filtrationThe solid was filtered out
  6. washwashed with diethyl ether (3×2 ml)
  7. customdried under a vacuum

Sources & evidence

ORD record
ord-d0235be16e8e4e71b29e50596fd8a992
Source dataset
uspto-grants-2008_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07348354B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes