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Diisopropylethylamine → HCID 10074262, Verbindung

HRID 719867
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 719867
Br[C:2]1[N:3]=[CH:4][C:5]([NH:8][C:9](=[O:28])[C@@H:10]([C:17]2[CH:22]=[CH:21][C:20]([S:23]([CH3:26])(=[O:25])=[O:24])=[C:19]([Cl:27])[CH:18]=2)[CH2:11][CH:12]2[CH2:16][CH2:15][CH2:14][CH2:13]2)=[N:6][CH:7]=1.[CH3:29][N:30]([CH3:34])[CH2:31][C:32]#[CH:33].C(N(CC)C(C)C)(C)C>C1(C)C=CC=CC=1.[Cu]I.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1>[Cl:27][C:19]1[CH:18]=[C:17]([C@@H:10]([CH2:11][CH:12]2[CH2:16][CH2:15][CH2:14][CH2:13]2)[C:9]([NH:8][C:5]2[CH:4]=[N:3][C:2]([C:33]#[C:32][CH2:31][N:30]([CH3:34])[CH3:29])=[CH:7][N:6]=2)=[O:28])[CH:22]=[CH:21][C:20]=1[S:23]([CH3:26])(=[O:25])=[O:24]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 3

HCID 81531DiisopropylethylamineHCID 81643N,N-DimethylpropargylamineHCID 86593779N-(5-bromo-pyrazin-2-yl)-2(R)-(3-chloro-4-methanesulfonyl-phenyl)-3-cyclopentyl-propionamide

Produkt 1

HCID 10074262HCID 10074262, VerbindungAusbeute 74 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 24350
Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
Katalysator
HCID 178418476HCID 178418476, VerbindungKatalysator
HCID 1140TolueneLösungsmittel

Reaktionsbedingungen

Temperatur
25 °C

Versuchsvorschrift

A solution of N-(5-bromo-pyrazin-2-yl)-2(R)-(3-chloro-4-methanesulfonyl-phenyl)-3-cyclopentyl-propionamide (prepared as in Example 6, 486 mg, 1.0 mmol) and 1-dimethylamino-2-propyne (830 mg, 10.0 mmol) in toluene (6 ml) was treated with N,N-diisopropylethylamine (1.5 ml), copper(I) iodide (19.2 mg, 0.10 mmol), and dichlorobis(triphenylphosphine)palladium(II) (36.0 mg, 0.05 mmol). The resulting reaction mixture was stirred at 25° C. for 24 h. At this time, the reaction mixture was concentrated in vacuo. The residue was extracted into methylene chloride from water. The combined organic layers were dried and concentrated in vacuo. Flash chromatography (Merck Silica gel 60, 230–400 mesh, 4/1 ethyl acetate/methanol) afforded 2(R)-(3-chloro-4-methanesulfonyl-phenyl)-3-cyclopentyl-N-[5-(3-dimethylamino-prop-1-ynyl)-pyrazin-2-yl]-propionamide (360 mg, 74%) as a pale brown solid: (ES)+-HRMS m/e calcd for C24H29ClN4O3S (M+H)+ 489.1722, found 489.1725.

Aufarbeitung

  1. customThe resulting reaction mixture
  2. concentrationAt this time, the reaction mixture was concentrated in vacuo
  3. extractionThe residue was extracted into methylene chloride from water
  4. customThe combined organic layers were dried
  5. concentrationconcentrated in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-c05201f707cd444a8d0de8eb5f05a431
Quelldatensatz
uspto-grants-2006_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07132425B2

Notizen zur Reaktion

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