Diisopropylethylamine → 1-(3,4,5-Trimethoxybenzoyl)-3-(2-(4-(1-(2-ethoxyethyl)-1H-benzimidazol-2-yl)[1,4]diazepan-1-yl)ethyl)-3-(3-chlorophenyl)pyrrolidine

HRID 637029Notes

Reaction equation

HRID 637029 reaction equation
[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:27]=[C:28]([O:32][CH3:33])[C:29]=1[O:30][CH3:31])[C:6]([N:8]1[CH2:12][CH2:11][C:10]([C:20]2[CH:25]=[CH:24][CH:23]=[C:22]([Cl:26])[CH:21]=2)([CH2:13][CH2:14]OS(C)(=O)=O)[CH2:9]1)=[O:7].I.[CH2:35]([O:37][CH2:38][CH2:39][N:40]1[C:44]2[CH:45]=[CH:46][CH:47]=[CH:48][C:43]=2[N:42]=[C:41]1[N:49]1[CH2:55][CH2:54][CH2:53][NH:52][CH2:51][CH2:50]1)[CH3:36].C(N(CC)C(C)C)(C)C.CO.C(OCC)(=O)C>C(#N)C.C(OCC)(=O)C>[CH3:33][O:32][C:28]1[CH:27]=[C:5]([CH:4]=[C:3]([O:2][CH3:1])[C:29]=1[O:30][CH3:31])[C:6]([N:8]1[CH2:12][CH2:11][C:10]([CH2:13][CH2:14][N:52]2[CH2:53][CH2:54][CH2:55][N:49]([C:41]3[N:40]([CH2:39][CH2:38][O:37][CH2:35][CH3:36])[C:44]4[CH:45]=[CH:46][CH:47]=[CH:48][C:43]=4[N:42]=3)[CH2:50][CH2:51]2)([C:20]2[CH:25]=[CH:24][CH:23]=[C:22]([Cl:26])[CH:21]=2)[CH2:9]1)=[O:7]

Participants

7

Reactant 4

HCID 81531DiisopropylethylamineHCID 184648361-(3,4,5-Trimethoxybenzoyl)-3-(3-chlorophenyl)-3-(2-methanesulfonyloxyethyl)pyrrolidineHCID 21584119Ethylacetate methanolHCID 865838874-(1-(2-ethoxyethyl)-1H-benzimidazol-2-yl) [1,4]diazepane hydriodic acid salt

Product 1

HCID 184645621-(3,4,5-Trimethoxybenzoyl)-3-(2-(4-(1-(2-ethoxyethyl)-1H-benzimidazol-2-yl)[1,4]diazepan-1-yl)ethyl)-3-(3-chlorophenyl)pyrrolidine

Reagents, catalysts & solvents 2

HCID 6342AcetonitrileSolventHCID 8857Ethyl AcetateSolvent

Procedure

Combine 1-(3,4,5-trimethoxybenzoyl)-3-(3-chlorophenyl)-3-(2-methanesulfonyloxyethyl)pyrrolidine (0.82 g, 1.65 mmol), 4-(1-(2-ethoxyethyl)-1H-benzimidazol-2-yl)[1,4]diazepane hydriodic acid salt (1.04 g, 1.91 mmol), and N,N-diisopropylethylamine (1.3 mL, 7.43 mmol) in acetonitrile (50 mL). Heat to reflux. After 2 days, cool and dilute the reaction mixture with ethyl acetate (300 mL). Extract with a saturated aqueous sodium bicarbonate solution and then brine. Dry over Na2SO4, filter, and evaporate in vacuo to give a residue. Chromatograph the residue on silica gel eluting with 24% methanol/ethyl acetate containing concentrated aqueous ammonia (20 mL/3 L) to give the title compound.

Workup

  1. temperatureHeat to reflux
  2. temperaturecool
  3. extractionExtract with a saturated aqueous sodium bicarbonate solution
  4. dry with materialDry over Na2SO4
  5. filtrationfilter
  6. customevaporate in vacuo
  7. customto give a residue

Sources & evidence

ORD record
ord-acfb055cff6d4f18a928ac1032075a89
Source dataset
uspto-grants-2001_02
Patent number
US06194406B1

Reaction notes

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