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Triethylamine → (R)-3-(1H-indol-3-yl)-N-(2-methoxybenzyl)-2-(N-triphenylmethylamino)propanamide

HRID 260869
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 260869
[NH:1]1[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:3]([CH2:10][C@@H:11]([NH:15][C:16]([C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)([C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=2)[C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)[C:12]([OH:14])=O)=[CH:2]1.[CH3:35][O:36][C:37]1[CH:44]=[CH:43][CH:42]=[CH:41][C:38]=1[CH2:39][NH2:40].O.OC1C2N=NNC=2C=CC=1.C(N(CC)CC)C.Cl.CN(C)CCCN=C=NOCC>O1CCCC1.CN(C)C=O>[NH:1]1[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:3]([CH2:10][C@@H:11]([NH:15][C:16]([C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)([C:29]2[CH:30]=[CH:31][CH:32]=[CH:33][CH:34]=2)[C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=2)[C:12]([NH:40][CH2:39][C:38]2[CH:41]=[CH:42][CH:43]=[CH:44][C:37]=2[O:36][CH3:35])=[O:14])=[CH:2]1
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Komponenten

8

Edukt 5

HCID 8471TriethylamineHCID 812922-MethoxybenzylamineHCID 10718248(R)-3-(1H-indol-3-yl)-2-(N-triphenylmethylamino)propanoic acidHCID 221697771-(3-Dimethylaminopropyl)-3-ethoxycarbodiimide hydrochlorideHCID 178526939HCID 178526939, Verbindung

Produkt 1

HCID 11801087
(R)-3-(1H-indol-3-yl)-N-(2-methoxybenzyl)-2-(N-triphenylmethylamino)propanamide

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6228DimethylformamideLösungsmittelHCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a stirred solution of (R)-3-(1H-indol-3-yl)-2-(N-triphenylmethylamino)propanoic acid (179.8 g, 0.403 mol), 2-methoxybenzylamine (56.0 ml, 0.429 mol), and hydroxybenzotriazole hydrate (57.97 g, 0.429 mol) in anhydrous tetrahydrofuran (1.7 L) and anhydrous N,N-dimethylformamide (500 ml) under a nitrogen atmosphere at 0° C., were added triethylamine (60.0 ml, 0.430 mol) and 1-(3-dimethylaminopropyl)-3-ethoxycarbodiimide hydrochloride (82.25 g, 0.429 mol). The mixture was allowed to warm to room temperature under a nitrogen atmosphere for at least 20 hours. The mixture was concentrated on a rotary evaporator and then redissolved in methylene chloride and an aqueous work-up of 5% citric acid solution (2×), saturated sodium bicarbonate solution (2×), and brine (2×) was performed. The organic layer-was dried over anhydrous sodium sulfate and concentrated to dryness on a rotary evaporator. The desired product was then recrystallized from hot ethyl acetate to yield 215.8 g (0.381 mol, 95%) of analytically pure material.

Aufarbeitung

  1. concentrationThe mixture was concentrated on a rotary evaporator
  2. dissolutionredissolved in methylene chloride
  3. dry with materialThe organic layer-was dried over anhydrous sodium sulfate
  4. concentrationconcentrated to dryness on a rotary evaporator
  5. customThe desired product was then recrystallized from hot ethyl acetate
  6. customto yield 215.8 g (0.381 mol, 95%) of analytically pure material

Quellen und Nachweise

ORD-Eintrag
ord-8d51cfb95b0843fe9b20d460ba3a20cf
Quelldatensatz
uspto-grants-1996_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05530009

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