1-(2-(Tert-butoxycarbonylamino)-5-methoxyphenyl]-2-butanone → 2-ethyl-5-methoxy-1H-indole

HRID 566684Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 566684
C(OC([NH:8][C:9]1[CH:14]=[CH:13][C:12]([O:15][CH3:16])=[CH:11][C:10]=1[CH2:17][C:18](=O)[CH2:19][CH3:20])=O)(C)(C)C>C(Cl)Cl.FC(F)(F)C(O)=O>[CH2:19]([C:18]1[NH:8][C:9]2[C:10]([CH:17]=1)=[CH:11][C:12]([O:15][CH3:16])=[CH:13][CH:14]=2)[CH3:20]

Komponenten

4

Versuchsvorschrift

1-[2-(tert-Butoxycarbonylamino)-5-methoxyphenyl]-2-butanone (7.33 g, 0.025 mol) in 120 mL of CH2Cl2 and 20 mL of trifluoroacetic acid was stirred for 20 hours, washed with water, NaHCO3 solution and the product chromatographed on silica (eluted with 20% EtOAc/hexane) to give 2.54 g (58% yield) of 2-ethyl-5-methoxy-1H-indole as a white solid, mp 49-50° C.

Aufarbeitung

  1. washwashed with water, NaHCO3 solution
  2. customthe product chromatographed on silica (eluted with 20% EtOAc/hexane)

Quellen und Nachweise

ORD-Eintrag
ord-376b64dfc1264f5fa41a03829842dd7c
Quelldatensatz
uspto-grants-2001_01
Patentnummer
US06175021B1

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