1-Hydroxybenzotriazole → 2-Cyanoethyl 4-(3-chlorophenyl)-2,6-dimethyl-5-{[3-(2-methoxyphenyl)-2-propene-1-yl]carbamoyl}-1,4-dihydropyridine-3-carboxylate

HRID 1700349Notes

Reaction equation

HRID 1700349 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([CH:8]2[C:13]([C:14]([O-])=[O:15])=[C:12]([CH3:17])[NH:11][C:10]([CH3:18])=[C:9]2[C:19]([O:21][CH2:22][CH2:23][C:24]#[N:25])=[O:20])[CH:5]=[CH:6][CH:7]=1.[CH3:26][O:27][C:28]1[CH:33]=[CH:32][CH:31]=[CH:30][C:29]=1[CH:34]=[CH:35][CH2:36][NH2:37].Cl.CN(C)CCCN=C=NCC.ON1C2C=CC=CC=2N=N1>ClCCl>[Cl:1][C:2]1[CH:3]=[C:4]([CH:8]2[C:13]([C:14](=[O:15])[NH:37][CH2:36][CH:35]=[CH:34][C:29]3[CH:30]=[CH:31][CH:32]=[CH:33][C:28]=3[O:27][CH3:26])=[C:12]([CH3:17])[NH:11][C:10]([CH3:18])=[C:9]2[C:19]([O:21][CH2:22][CH2:23][C:24]#[N:25])=[O:20])[CH:5]=[CH:6][CH:7]=1

Participants

6

Reactant 4

HCID 757711-HydroxybenzotriazoleHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 37187213-(2-Methoxyphenyl)-allylamineHCID 86757801Mono(2-cyanoethyl) 4-(3-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

Product 1

HCID 701567922-Cyanoethyl 4-(3-chlorophenyl)-2,6-dimethyl-5-{[3-(2-methoxyphenyl)-2-propene-1-yl]carbamoyl}-1,4-dihydropyridine-3-carboxylate

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

150 mg (0.416 mmol) of mono(2-cyanoethyl) 4-(3-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate and 81.4 mg (0.499 mmol) of 3-(2-methoxyphenyl)-allylamine were dissolved in 10 ml of dichloromethane. 120 mg (0.624 mmol) of 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride and 63.7 mg (0.416 mmol) of 1-hydroxybenzotriazole were added to the obtained solution under cooling with ice, and they were stirred at room temperature for 2 hours. Dichloromethane was evaporated under reduced pressure. Ethyl acetate was added to the residue, and the product was washed with 1 N hydrochloric acid and then with a saturated aqueous sodium hydrogencarbonate solution. The organic layer was dried over anhydrous sodium sulfate and then concentrated under reduced pressure. The residue was purified by the silica gel chromatography (dichloromethane/methanol=100/1) to obtain the title compound.

Workup

  1. temperatureunder cooling with ice, and they
  2. customDichloromethane was evaporated under reduced pressure
  3. additionEthyl acetate was added to the residue
  4. washthe product was washed with 1 N hydrochloric acid
  5. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  6. concentrationconcentrated under reduced pressure
  7. customThe residue was purified by the silica gel chromatography (dichloromethane/methanol=100/1)

Sources & evidence

ORD record
ord-a0f5701b66e2472a81e4804a782331ab
Source dataset
uspto-grants-2002_02
Patent number
US06350762B1

Reaction notes

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