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1,2-Dichloroethane → 1-(2-{2-[(3-acetyl-4,5-dimethyl-1H-pyrrole-2-carbonyl)-amino]-2-cyclohexyl-acetylamino}-3,3-dimethyl-butyryl)-octahydro-indole-2-carboxylic acid tert-butyl ester

HRID 917800
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 917800
[C:1]([C:4]1[C:8]([CH3:9])=[C:7]([CH3:10])[NH:6][C:5]=1[C:11]([OH:13])=O)(=[O:3])[CH3:2].C(Cl)CCl.C1C=CC2N(O)N=NC=2C=1.[C:28]([O:32][C:33]([CH:35]1[CH2:43][CH:42]2[CH:37]([CH2:38][CH2:39][CH2:40][CH2:41]2)[N:36]1[C:44](=[O:61])[CH:45]([NH:50][C:51](=[O:60])[CH:52]([NH2:59])[CH:53]1[CH2:58][CH2:57][CH2:56][CH2:55][CH2:54]1)[C:46]([CH3:49])([CH3:48])[CH3:47])=[O:34])([CH3:31])([CH3:30])[CH3:29]>CN(C=O)C>[C:28]([O:32][C:33]([CH:35]1[CH2:43][CH:42]2[CH:37]([CH2:38][CH2:39][CH2:40][CH2:41]2)[N:36]1[C:44](=[O:61])[CH:45]([NH:50][C:51](=[O:60])[CH:52]([NH:59][C:11]([C:5]1[NH:6][C:7]([CH3:10])=[C:8]([CH3:9])[C:4]=1[C:1](=[O:3])[CH3:2])=[O:13])[CH:53]1[CH2:54][CH2:55][CH2:56][CH2:57][CH2:58]1)[C:46]([CH3:49])([CH3:48])[CH3:47])=[O:34])([CH3:29])([CH3:30])[CH3:31]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 111,2-DichloroethaneHCID 757711-HydroxybenzotriazoleHCID 5906793-Acetyl-4,5-dimethyl-1H-pyrrole-2-carboxylic acidHCID 684969241-[2-(2-Amino-2-cyclohexyl-acetylamino)-3,3-dimethyl-butyryl]-octahydro-indole-2-carboxylic acid tert-butyl ester

Produkt 1

HCID 68492991
1-(2-{2-[(3-acetyl-4,5-dimethyl-1H-pyrrole-2-carbonyl)-amino]-2-cyclohexyl-acetylamino}-3,3-dimethyl-butyryl)-octahydro-indole-2-carboxylic acid tert-butyl ester
Ausbeute 85 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel2×

Versuchsvorschrift

3-acetyl-4,5-dimethyl-2-pyrrole carboxylic acid 10b (2.5 g, 13.7 mmol) in DMF (56 mL) was treated with EDC (2.75 g, 14.4 mmol) and HOBt (2.20 g, 14.4 mmol) and stirred at RT for 15 minutes. Amine 16b (6.23 g, 13.0 mmol) in DMF (10 mL) was added, the reaction mixture stirred at RT and monitored by HPLC. The mixture was concentrated in vacuo, then dissolved in EtOAc. 1.0N glycine sodium salt aqueous solution was added until all excess amino ester 16b was consumed (several hours). The mixture was washed with 1N HCl (3×), brine, bicarb (3×), and brine, then dried over sodium sulfate, filtered, and concentrated in vacuo. Purification through a short plug of silica gel (25%EA/Hex) afforded 7.08 g, (85%) of 1-(2-{2-[(3-acetyl-4,5-dimethyl-1H-pyrrole-2-carbonyl)-amino]-2-cyclohexyl-acetylamino}-3,3-dimethyl-butyryl)-octahydro-indole-2-carboxylic acid tert-butyl ester 17b.

Aufarbeitung

  1. stirringthe reaction mixture stirred at RT
  2. concentrationThe mixture was concentrated in vacuo
  3. dissolutiondissolved in EtOAc
  4. addition1.0N glycine sodium salt aqueous solution was added until all excess amino ester 16b
  5. customwas consumed (several hours)
  6. washThe mixture was washed with 1N HCl (3×), brine, bicarb (3×), and brine
  7. dry with materialdried over sodium sulfate
  8. filtrationfiltered
  9. concentrationconcentrated in vacuo
  10. customPurification through a short plug of silica gel (25%EA/Hex)

Quellen und Nachweise

ORD-Eintrag
ord-f3ff062e77a84ee7b330cbca0ab881eb
Quelldatensatz
uspto-grants-2007_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07273885B2

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