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2-Iodoaniline → 2-[4-(tert-Butyldimethylsilanyloxy)but-1-ynyl]phenylamine

HRID 2264698
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2264698
I[C:2]1[CH:8]=[CH:7][CH:6]=[CH:5][C:3]=1[NH2:4].[C:9]([Si:13]([O:16][CH2:17][CH2:18][C:19]#[CH:20])([CH3:15])[CH3:14])([CH3:12])([CH3:11])[CH3:10]>C(N(CC)CC)C.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.[Cu]I>[Si:13]([O:16][CH2:17][CH2:18][C:19]#[C:20][C:2]1[CH:8]=[CH:7][CH:6]=[CH:5][C:3]=1[NH2:4])([C:9]([CH3:10])([CH3:11])[CH3:12])([CH3:15])[CH3:14]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 2

HCID 119952-IodoanilineHCID 4304567(But-3-yn-1-yloxy)(tert-butyl)dimethylsilane

Produkt 1

HCID 576757402-[4-(tert-Butyldimethylsilanyloxy)but-1-ynyl]phenylamine

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)KatalysatorHCID 178418476
HCID 178418476, Verbindung
Katalysator
HCID 8471TriethylamineLösungsmittel

Versuchsvorschrift

2-Iodoaniline (1.76 g, 8 mmol) was dissolved in triethylamine (50 mL) and placed under N2. tert-Butylbut-3-ynyloxydimethylsilane (2.58 g, 14 mmol) was added, followed by bis(triphenylphosphine)palladium(II) chloride (30 mg, 0.042 mmol) and copper(I) iodide (7 mg, 0.036 mmol), and the reaction was stirred overnight at room temperature. Triethylamine was evaporated, and the residue was diluted with ether and filtered through Celite. The filtrate was concentrated, and the residue was purified by SiO2 chromatography (5-20% ethyl acetate/hexanes) to give the desired product. The reaction was assumed to be quantitative.

Aufarbeitung

  1. customTriethylamine was evaporated
  2. additionthe residue was diluted with ether
  3. filtrationfiltered through Celite
  4. concentrationThe filtrate was concentrated
  5. customthe residue was purified by SiO2 chromatography (5-20% ethyl acetate/hexanes)

Quellen und Nachweise

ORD-Eintrag
ord-2cbee858c1c5450d8ef1b2159c6a4acc
Quelldatensatz
uspto-grants-2010_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07855224B2

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