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

HRID 491034

Reaktionsgleichung

Reaktionsgleichung von HRID 491034
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]

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 178418476HCID 178418476, VerbindungKatalysatorHCID 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-3c47387b6f994676a8996f74a6e2aa36
Quelldatensatz
uspto-grants-2009_05
Patentnummer
US07528262B2

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