1-Hydroxybenzotriazole → 6-Chloro-N-{(3S)-1-[(1R)-1-methyl-2-(3-methylpiperidin-1-yl)-2-oxoethyl]-2-oxopyrrolidin-3-yl}naphthalene-2-sulfonamide

HRID 7307

Reaction equation

HRID 7307 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[CH:8]=[C:7]([S:12]([NH:15][C@H:16]1[CH2:20][CH2:19][N:18]([C@H:21]([CH3:25])[C:22]([OH:24])=O)[C:17]1=[O:26])(=[O:14])=[O:13])[CH:6]=[CH:5]2.Cl.CN(C)CCCN=C=NCC.C1C=CC2N(O)N=NC=2C=1.[CH3:49][CH:50]1[CH2:55][CH2:54][CH2:53][NH:52][CH2:51]1>C(Cl)Cl.C(N(CC)CC)C>[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[CH:8]=[C:7]([S:12]([NH:15][C@H:16]1[CH2:20][CH2:19][N:18]([C@H:21]([CH3:25])[C:22]([N:52]3[CH2:53][CH2:54][CH2:55][CH:50]([CH3:49])[CH2:51]3)=[O:24])[C:17]1=[O:26])(=[O:14])=[O:13])[CH:6]=[CH:5]2

Participants

7

Reactant 4

HCID 757711-HydroxybenzotriazoleHCID 790813-MethylpiperidineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 69057708(2R)-2-((3S)-3-{[(6-chloro-2-naphthyl)sulfonyl]amino}-2-oxopyrrolidin-1-yl)propanoic acid

Product 1

HCID 693299416-Chloro-N-{(3S)-1-[(1R)-1-methyl-2-(3-methylpiperidin-1-yl)-2-oxoethyl]-2-oxopyrrolidin-3-yl}naphthalene-2-sulfonamide

Reagents, catalysts & solvents 2

HCID 6344DichloromethaneSolventHCID 8471TriethylamineSolvent

Procedure

To a solution of (2R)-2-((3S)-3-{[(6-chloro-2-naphthyl)sulfonyl]amino}-2-oxopyrrolidin-1-yl)propanoic acid (0.018 g) in DCM (0.5 ml) were added 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide hydrochloride (0.018 g), HOBT (0.013 g) and triethylamine (0.039 ml) and the mixture was stirred at room temperature for 75 min. 3-Methylpiperidine (0.010 ml) was added and the resultant mixture stirred at room temperature for 48 h. The mixture was partitioned between DCM and saturated sodium bicarbonate solution and then passed through a hydrophobic frit. The organic extract concentrated under reduced pressure and the residue was purified using SPE (silica, eluting with cyclohexane:ethyl acetate 2:1, 1:1; ethyl acetate; ethyl acetate:methanol 2:1, 1:1) to give the title compound (0.007 g) as a white solid.

Workup

  1. customThe mixture was partitioned between DCM and saturated sodium bicarbonate solution
  2. extractionThe organic extract
  3. concentrationconcentrated under reduced pressure
  4. customthe residue was purified
  5. washSPE (silica, eluting with cyclohexane:ethyl acetate 2:1, 1:1; ethyl acetate; ethyl acetate:methanol 2:1, 1:1)

Sources & evidence

ORD record
ord-0d303d5cecda4a898a2f1582f72973c0
Source dataset
uspto-grants-2006_08
Patent number
US07084139B2

Linked notes

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