1-Hydroxybenzotriazole → (S)-1-(3-Fluoro-benzenesulfonyl)-piperidine-2-carboxylic acid [(S)-2-[4-(3-fluoro-propoxy)-phenyl]-1-((S)-2-methoxy-1-methyl-ethylcarbamoyl)-ethyl]-amide

HRID 504155Notes

Reaction equation

HRID 504155 reaction equation
[F:1][C:2]1[CH:3]=[C:4]([S:8]([N:11]2[CH2:16][CH2:15][CH2:14][CH2:13][CH:12]2[C:17]([NH:19][C@@H:20]([CH2:24][C:25]2[CH:30]=[CH:29][C:28]([O:31][CH2:32][CH2:33][CH2:34][F:35])=[CH:27][CH:26]=2)[C:21](O)=[O:22])=[O:18])(=[O:10])=[O:9])[CH:5]=[CH:6][CH:7]=1.[CH3:36][O:37][CH2:38][C@@H:39]([NH2:41])[CH3:40].ON1C2C=CC=CC=2N=N1.Cl.CN(C)CCCN=C=NCC>ClCCl>[F:35][CH2:34][CH2:33][CH2:32][O:31][C:28]1[CH:29]=[CH:30][C:25]([CH2:24][C@H:20]([NH:19][C:17]([C@@H:12]2[CH2:13][CH2:14][CH2:15][CH2:16][N:11]2[S:8]([C:4]2[CH:5]=[CH:6][CH:7]=[C:2]([F:1])[CH:3]=2)(=[O:9])=[O:10])=[O:18])[C:21](=[O:22])[NH:41][C@@H:39]([CH3:40])[CH2:38][O:37][CH3:36])=[CH:26][CH:27]=1

Participants

6

Reactant 4

HCID 757711-HydroxybenzotriazoleHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 70215362-Propanamine, 1-methoxy-, (2S)-HCID 66751183(S)-2-{[1-(3-Fluoro-benzenesulfonyl)-piperidine-2-carbonyl]-amino}-3-[4-(3-fluoro-propoxy)-phenyl]-propionic acid2×

Product 1

HCID 11570577(S)-1-(3-Fluoro-benzenesulfonyl)-piperidine-2-carboxylic acid [(S)-2-[4-(3-fluoro-propoxy)-phenyl]-1-((S)-2-methoxy-1-methyl-ethylcarbamoyl)-ethyl]-amideYield 72%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent2×

Procedure

(S)-2-{[1-(3-Fluoro-benzenesulfonyl)-piperidine-2-carbonyl]-amino}-3-[4-(3-fluoro-propoxy)-phenyl]-propionic acid (compound 18b) (80 mg, 0.16 mmol), (S)-1-methoxy-2-propylamine (14 mg, 0.16 mmol), 1-hydroxybenzotriazole (30 mg, 0.22 mmol) and 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide hydrochloride (39 mg, 0.20 mmol) were mixed in dichloromethane (2 mL). The mixture was stirred overnight at room temperature. The reaction mixture was diluted with dichloromethane, washed twice with a saturated aqueous sodium bicarbonate solution, and the organic layer was dried over magnesium sulfate. After manual filtration and subsequent concentration the resulting oil was chromatographed on silica gel (dichloromethane/methanol, 9/1) on silica gel to provide 66 mg (72%) of the title compound. MS: m/e 582.2 (M+H). 1H NMR (300 MHz, d6-DMSO): δ0.75-1.60 (m, 9H), 1.85-2.15 (m, 3H), 2.75 (m, 1H), 2.85 (m, 1H), 3.10 (m, 1H), 3.20 (m, 1H), 3.60 (d, 1H, J=12 Hz), 3.85 (m, 1H), 4.00 (t, 2H, J=6 Hz), 4.30 (q, 1H J=7.5 Hz), 4.50 (m, 2H), 4.65 (t, 1H, J=6 Hz), 6.85 (d, 2H, J=9 Hz), 7.15 (d, 2H, J=9 Hz), 7.40 (m, 4H), 7.75 (d, 1H, J=9 Hz), 7.90 (d, 1H, J=6 Hz).

Workup

  1. washwashed twice with a saturated aqueous sodium bicarbonate solution
  2. dry with materialthe organic layer was dried over magnesium sulfate
  3. filtrationAfter manual filtration and subsequent concentration the resulting oil
  4. customwas chromatographed on silica gel (dichloromethane/methanol, 9/1) on silica gel

Sources & evidence

ORD record
ord-118959b171ed4e0bb8edf7217a55e55d
Source dataset
uspto-grants-2010_08
Patent number
US07777042B2

Reaction notes

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