1,1'-Carbonyldiimidazole → HCID 69970027, compound

HRID 1603986Notes

Reaction equation

HRID 1603986 reaction equation
[NH2:1][CH2:2][CH2:3][NH:4][CH:5]1[CH2:10][CH2:9][N:8]([CH2:11][CH2:12][C@@H:13]([C:25]2[CH:30]=[CH:29][C:28]([Cl:31])=[C:27]([Cl:32])[CH:26]=2)[CH2:14][N:15]([CH3:24])[C:16](=[O:23])[C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)[CH2:7][CH2:6]1.[C:33](N1C=CN=C1)(N1C=CN=C1)=[O:34]>C(Cl)(Cl)Cl.ClCCl>[ClH:31].[Cl:32][C:27]1[CH:26]=[C:25]([C@H:13]([CH2:12][CH2:11][N:8]2[CH2:9][CH2:10][CH:5]([N:4]3[CH2:3][CH2:2][NH:1][C:33]3=[O:34])[CH2:6][CH2:7]2)[CH2:14][N:15]([CH3:24])[C:16](=[O:23])[C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)[CH:30]=[CH:29][C:28]=1[Cl:31]

Participants

5

Reactant 2

HCID 682631,1'-CarbonyldiimidazoleHCID 54469677HCID 54469677, compound

Product 1

HCID 69970027HCID 69970027, compoundYield 121.2%

Reagents, catalysts & solvents 2

HCID 6212ChloroformSolventHCID 6344DichloromethaneSolvent

Procedure

A stirred solution of (S)-N-[4-[4-(2-aminoethylamino)-piperidino]-2-(3,4-dichlorophenyl)butyl]-N-methylbenzamide (0.356 g) and 1,1'-carbonyldiimidazole (0.157 g) in chloroform (6 mL) was heated at reflux for 2 hours. The reaction mixture was diluted with dichloromethane, washed (aqueous sodium bicarbonate), dried, evaporated, and chromatographed, with dichloromethane:methanol (gradient 98:2, 90:10) as eluent. The resulting material was dissolved in dichloromethane, precipitated as the hydrochloride salt with ethereal hydrogen chloride, evaporated, and placed under high vacuum overnight to give the title compound as a white solid (0.244 g); MS: m/z=503(M+1); Analysis for C26H32Cl2N4O2.1.70 HCl.0.20 (C2H5)2O: Calculated: C, 55.47; H, 6.20; N, 9.65; Found: C, 55.47; H, 6.35; N, 9.44.

Workup

  1. temperatureat reflux for 2 hours
  2. washwashed (aqueous sodium bicarbonate)
  3. customdried
  4. customevaporated
  5. customchromatographed, with dichloromethane
  6. dissolutionThe resulting material was dissolved in dichloromethane
  7. customprecipitated as the hydrochloride salt with ethereal hydrogen chloride
  8. customevaporated
  9. customplaced under high vacuum overnight

Sources & evidence

ORD record
ord-e48691f97b814faf9e78ef1124d9d20c
Source dataset
uspto-grants-1999_11
Patent number
US05990130

Reaction notes

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