1-Hydroxybenzotriazole → HCID 178423644, compound

HRID 1169418Notes

Reaction equation

HRID 1169418 reaction equation
[CH3:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH2:9][O:10][C:11]3[CH:17]=[CH:16][C:15]([C:18](O)=[O:19])=[CH:14][C:12]=3[CH:13]=2)=[CH:4][CH:3]=1.ON1C2C=CC=CC=2N=N1.Cl.C(N=C=NCCCN(C)C)C.Cl.Cl.[CH3:45][N:46]([CH2:53][C@H:54]1[CH2:59][CH2:58][C@H:57]([NH2:60])[CH2:56][CH2:55]1)[CH:47]1[CH2:52][CH2:51][O:50][CH2:49][CH2:48]1.C1CCN2C(=NCCC2)CC1>C(#N)C.C(N(CC)CC)C>[CH3:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2[CH2:9][O:10][C:11]3[CH:17]=[CH:16][C:15]([C:18]([NH:60][C@H:57]4[CH2:56][CH2:55][C@H:54]([CH2:53][N:46]([CH3:45])[CH:47]5[CH2:52][CH2:51][O:50][CH2:49][CH2:48]5)[CH2:59][CH2:58]4)=[O:19])=[CH:14][C:12]=3[CH:13]=2)=[CH:6][CH:7]=1

Participants

8

Reactant 5

HCID 757711-HydroxybenzotriazoleHCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 229901283-(4-methylphenyl)-2H-1-benzopyran-6-carboxylic acidHCID 178484107HCID 178484107, compound

Product 1

HCID 178423644HCID 178423644, compoundYield 71.1%

Reagents, catalysts & solvents 2

HCID 6342AcetonitrileSolvent2×HCID 8471TriethylamineSolvent

Procedure

Into a suspension of 3-(4-methylphenyl)-2H-1-benzopyran-6-carboxylic acid (150 mg) and 1-hydroxybenzotriazole (114 mg) in acetonitrile (15 ml) was added at room temperature 1-ethyl-3-(3′-dimethylaminopropyl)carbodiimide hydrochloride (162 mg), and the resulting mixture was stirred for 2 hours. Into the reaction mixture was added a solution of trans-4-[N-methyl-N-(tetrahydropyran-4-yl)aminomethyl]cyclohexylamine dihydrochloride (253 mg), 1,8-diazabicyclo[5,4,0]-7-undecene (257 mg) and triethylamine (0.16 ml) in acetonitrile (20 ml), and the resulting mixture was stirred for 4 hours. After the reaction mixture was concentrated under reduced pressure, water was added to the residue, and the resulting mixture was extracted with chloroform. The organic layer was washed with an aqueous saturated solution of sodium chloride and was dried with magnesium sulfate. After the resulting organic layer was concentrated under reduced pressure to remove the solvent, the residue was subjected to purification using column chromatography (ethanol/ethyl acetate 1:2) and to recrystallization (ethanol) to obtain trans-3-(4-methylphenyl)-N-[4-[N-methyl-N-(tetrahydropyran-4-yl)aminomethyl]cyclohexyl]-2H-1-benzopyran-6-carboxamide (compound 68) (190 mg) as colorless crystals.

Workup

  1. stirringthe resulting mixture was stirred for 4 hours
  2. concentrationAfter the reaction mixture was concentrated under reduced pressure, water
  3. additionwas added to the residue
  4. extractionthe resulting mixture was extracted with chloroform
  5. washThe organic layer was washed with an aqueous saturated solution of sodium chloride
  6. dry with materialwas dried with magnesium sulfate
  7. concentrationAfter the resulting organic layer was concentrated under reduced pressure
  8. customto remove the solvent
  9. customthe residue was subjected to purification
  10. customto recrystallization (ethanol)

Sources & evidence

ORD record
ord-e463a857d4bf47e1823e6b82b959f5a4
Source dataset
uspto-grants-2003_09
Patent number
US06627651B1

Reaction notes

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