Phenyl isocyanate → HCID 22611604, compound

HRID 1737737Notes

Reaction equation

HRID 1737737 reaction equation
C([O-])C.Cl.Cl.[NH2:6][C:7]1[CH:8]=[C:9]2[C:13](=[CH:14][CH:15]=1)[NH:12][CH:11]=[C:10]2[CH:16]1[CH2:21][CH2:20][N:19]([CH3:22])[CH2:18][CH2:17]1.C(N(CC)CC)C.[C:30]1([N:36]=[C:37]=[O:38])[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=1>ClCCl>[C:30]1([NH:36][C:37]([NH:6][C:7]2[CH:8]=[C:9]3[C:13](=[CH:14][CH:15]=2)[NH:12][CH:11]=[C:10]3[CH:16]2[CH2:21][CH2:20][N:19]([CH3:22])[CH2:18][CH2:17]2)=[O:38])[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=1

Participants

5

Reactant 3

HCID 7672Phenyl isocyanateHCID 8471TriethylamineHCID 86751892HCID 86751892, compound

Product 1

HCID 22611604HCID 22611604, compoundYield 70%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a solution of 2.0 gm (5.74 mMol) 5-amino-3-(1-methylpiperidin-4-yl)-1H-indole dihydrochloride mono-ethanolate and 5.0 mL (36 mMol) triethylamine in 100 mL dichloromethane were added 1.37 mL (12.6 mMol) phenyl isocyanate. The reaction mixture was stirred for 15 minutes and was then washed with 100 mL of water. The remaining organics were dried over sodium sulfate and concentrated under reduced pressure. The resultant residue was crystallized from acetonitrile to give 1.40 gm (70%) N-phenyl-N'-(3-(1-methylpiperidin-4-yl)-1H-indol-5-yl)urea. This material was dissolved in methanol and to it was added an equivalent of methanolic hydrogen chloride. The solution was then concentrated under reduced pressure and the residual oil crystallized from ethanol to give the title compound.

Workup

  1. washwas then washed with 100 mL of water
  2. dry with materialThe remaining organics were dried over sodium sulfate
  3. concentrationconcentrated under reduced pressure
  4. customThe resultant residue was crystallized from acetonitrile

Sources & evidence

ORD record
ord-fee1595b4eb8450a9121c970942c5fd4
Source dataset
uspto-grants-1999_10
Patent number
US05962474

Reaction notes

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