Triethylamine → (1-Benzo[1,3]dioxol-5-yl-1,3,4,9-tetrahydro-beta-carbolin-2-yl)-[5-(3-trifluoromethyl-phenyl)-furan-2-yl]-methanone

HRID 2297534Notes

Reaction equation

HRID 2297534 reaction equation
[F:1][C:2]([F:18])([F:17])[C:3]1[CH:4]=[C:5]([C:9]2[O:13][C:12]([C:14]([OH:16])=O)=[CH:11][CH:10]=2)[CH:6]=[CH:7][CH:8]=1.C(Cl)(=O)C(Cl)=O.[CH2:25]1[O:33][C:32]2[CH:31]=[CH:30][C:29]([CH:34]3[C:46]4[NH:45][C:44]5[C:39](=[CH:40][CH:41]=[CH:42][CH:43]=5)[C:38]=4[CH2:37][CH2:36][NH:35]3)=[CH:28][C:27]=2[O:26]1.C(N(CC)CC)C>C(Cl)Cl.CN(C=O)C>[CH2:25]1[O:33][C:32]2[CH:31]=[CH:30][C:29]([CH:34]3[C:46]4[NH:45][C:44]5[C:39](=[CH:40][CH:41]=[CH:42][CH:43]=5)[C:38]=4[CH2:37][CH2:36][N:35]3[C:14]([C:12]3[O:13][C:9]([C:5]4[CH:6]=[CH:7][CH:8]=[C:3]([C:2]([F:1])([F:18])[F:17])[CH:4]=4)=[CH:10][CH:11]=3)=[O:16])=[CH:28][C:27]=2[O:26]1

Participants

7

Reactant 4

HCID 8471TriethylamineHCID 65578Oxalyl chlorideHCID 2011721-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-beta-carbolineHCID 6882815-(3-(Trifluoromethyl)phenyl)-2-furoic acid

Product 1

HCID 12020635(1-Benzo[1,3]dioxol-5-yl-1,3,4,9-tetrahydro-beta-carbolin-2-yl)-[5-(3-trifluoromethyl-phenyl)-furan-2-yl]-methanone

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideCatalystHCID 6344DichloromethaneSolvent2×

Procedure

To a suspension of 5-(3-trifluoromethylphenyl)furoic acid (256 mg, 1 mmol) in DCM (20 mL, anhydrous) was added oxalyl chloride (165 mg, 1.3 mmol), followed by two drops of DMF. The mixture was stirred at room temperature for 1 h. A solution of 1-(3,4-methylenedioxyphenyl)-2,3,4,9-tetrahydro-1H-β-carboline (292 mg, 1 mmol) (prepared according to the process as disclosed in WO 97/43287, Intermediate 7, page 24) and triethylamine (0.4 mL) in DCM (10 mL, anhydrous) was added and the mixture was stirred at room temperature for 16 h, washed sequentially with aqueous NaHCO3, brine (2X), 1N HCl and brine (2X) and dried with MgSO4. After evaporation of the solvent, a white solid was obtained.

Workup

  1. additionwas added
  2. stirringthe mixture was stirred at room temperature for 16 h
  3. washwashed sequentially with aqueous NaHCO3, brine (2X), 1N HCl and brine (2X)
  4. dry with materialdried with MgSO4
  5. customAfter evaporation of the solvent
  6. customa white solid was obtained

Sources & evidence

ORD record
ord-a575c9d1822647d0964906e3bd5e07f6
Source dataset
uspto-grants-2002_12
Patent number
US06492358B2

Reaction notes

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