Iodoethane → tert-butyl N-ethyl-N-(prop-2-yn-1-yl)carbamate

HRID 1247593

Reaktionsgleichung

Reaktionsgleichung von HRID 1247593
[CH2:1]([NH:4][C:5](=[O:11])[O:6][C:7]([CH3:10])([CH3:9])[CH3:8])[C:2]#[CH:3].[H-].[Na+].[CH2:14](I)[CH3:15]>CN1CCCC1=O>[CH2:14]([N:4]([CH2:1][C:2]#[CH:3])[C:5](=[O:11])[O:6][C:7]([CH3:8])([CH3:10])[CH3:9])[CH3:15]

Komponenten

5

Edukt 3

HCID 6340IodoethaneHCID 24758Sodium hydrideHCID 11073648tert-butyl N-(prop-2-yn-1-yl)carbamate

Produkt 1

HCID 18366151tert-butyl N-ethyl-N-(prop-2-yn-1-yl)carbamate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 13387N-methyl-2-pyrrolidoneLösungsmittel

Versuchsvorschrift

The sub-titled compound was prepared from tert-butyl prop-2-ynylcarbamate (0.6g), 60% sodium hydride (0.186 g), ethyl iodide (1.55 ml) and anhydrous N-methyl-2-pyrrolidinone (4 ml) by the method of Example 2(ii). The crude product was purified by chromatography on silica gel eluting with iso-hexane:ethyl acetate (19:1) to afford (0.34 g) of a colourless oil.

Aufarbeitung

  1. customThe crude product was purified by chromatography on silica gel eluting with iso-hexane:ethyl acetate (19:1)

Quellen und Nachweise

ORD-Eintrag
ord-5a3a9e4c2dc945ce9e5b489bb2fc660c
Quelldatensatz
uspto-grants-2006_10
Patentnummer
US07129246B2

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