methyl 1H-indole-5-carboxylate → HCID 24823930, Verbindung

HRID 227416Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 227416
[CH3:1][O:2][C:3]([C:5]1[CH:6]=[C:7]2[C:11](=[CH:12][CH:13]=1)[NH:10][CH:9]=[CH:8]2)=[O:4].C([Mg]Br)C.[CH3:18][C:19]1([CH3:27])[C:21]([CH3:23])([CH3:22])[CH:20]1[C:24](Cl)=[O:25]>ClCCl.[Cl-].[Zn+2].[Cl-]>[CH3:1][O:2][C:3]([C:5]1[CH:6]=[C:7]2[C:11](=[CH:12][CH:13]=1)[NH:10][CH:9]=[C:8]2[C:24]([CH:20]1[C:21]([CH3:23])([CH3:22])[C:19]1([CH3:27])[CH3:18])=[O:25])=[O:4]

Komponenten

6

Edukt 3

HCID 2737635methyl 1H-indole-5-carboxylateHCID 110410022,2,3,3-Tetramethylcyclopropane-1-carbonyl chlorideHCID 178418443HCID 178418443, Verbindung

Produkt 1

HCID 24823930HCID 24823930, VerbindungAusbeute 66 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 3007855ZincchlorideKatalysatorHCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

Methyl-indole-5-carboxylate (Lancaster, 3.0 g, 17 mmol), ethylmagnesium bromide (1.0 M solution in THF, 21 mL, 21 mmol), zinc chloride (1.0 M solution in Et2O, 21 mL, 21 mmol) and the product of Example 1A (26 mmol) in 50 mL of dichloromethane were processed as described in Example 1B to provide the title compound (3.4 g, 11 mmol, 66% yield). MS (DCI/NH3) m/z 300 (M+H)+.

Quellen und Nachweise

ORD-Eintrag
ord-c3efe622d3d441ee829343fc98d2b14a
Quelldatensatz
uspto-grants-2009_07
Patentnummer
US07560481B2

Notizen zur Reaktion

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