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Water → 2-[(3-Trifluoromethyl-benzylamino)-methyl]-2,3,8,9-tetrahydro-7H-1,4-dioxino[2,3-e]indol-8-one

HRID 1737417
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1737417
C1(C)C=CC(S(O[CH2:11][C@@H:12]2[O:25][C:16]3=[C:17]4[C:21](=[CH:22][CH:23]=[C:15]3[O:14][CH2:13]2)[NH:20][C:19](=[O:24])[CH2:18]4)(=O)=O)=CC=1.[F:27][C:28]([F:38])([F:37])[C:29]1[CH:30]=[C:31]([CH:34]=[CH:35][CH:36]=1)[CH2:32][NH2:33].O>CS(C)=O>[F:27][C:28]([F:37])([F:38])[C:29]1[CH:30]=[C:31]([CH:34]=[CH:35][CH:36]=1)[CH2:32][NH:33][CH2:11][CH:12]1[O:25][C:16]2=[C:17]3[C:21](=[CH:22][CH:23]=[C:15]2[O:14][CH2:13]1)[NH:20][C:19](=[O:24])[CH2:18]3
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Komponenten

5

Edukt 3

HCID 962WaterHCID 759623-(Trifluoromethyl)benzylamineHCID 15381104(R)-2-(Toluene-4-sulfonyloxymethyl)-2,3,8,9-tetrahydro-7H-1,4-dioxino[2,3-e]indol-8-one

Produkt 1

HCID 119903982-[(3-Trifluoromethyl-benzylamino)-methyl]-2,3,8,9-tetrahydro-7H-1,4-dioxino[2,3-e]indol-8-oneAusbeute 20 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 679
Dimethyl Sulfoxide
Lösungsmittel

Reaktionsbedingungen

Temperatur
85 °C

Versuchsvorschrift

(R)-2-(Toluene-4-sulfonyloxymethyl)-2,3,8,9-tetrahydro-7H-1,4-dioxino[2,3-e]indol-8-one (1.01 g, 2.70 mmole) and 3-trifluoromethylbenzylamine (1.75 ml, 12.0 mmole) were combined in 15 ml of dry DMSO and heated to 85° C. for 4 hours under a nitrogen atmosphere. After cooling to room temperature, 200 ml of water was added and the mixture was extracted twice with 250 ml portions of 50% ethyl acetate in hexane. The combined organic phases were washed with brine, dried over MgSO4, filtered and concentrated in vacuum to yield an oil, which was column chromatographed on silica gel using 2% methanol/CH2Cl2 as eluant. The free base of the title compound (0.20 g, 20%) thus obtained was crystallized from isopropanol with the addition of one equivalent of fumaric acid to give 0.17 g of the (S) enantiomer of the title compound as a light yellow solid fumarate, one-half hydrate, m.p. 158-160° C.

Aufarbeitung

  1. temperatureAfter cooling to room temperature
  2. extractionthe mixture was extracted twice with 250 ml portions of 50% ethyl acetate in hexane
  3. washThe combined organic phases were washed with brine
  4. dry with materialdried over MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated in vacuum
  7. customto yield an oil, which
  8. customchromatographed on silica gel using 2% methanol/CH2Cl2 as eluant

Quellen und Nachweise

ORD-Eintrag
ord-fded54d0bc5241a5857abb195ca1bf3b
Quelldatensatz
uspto-grants-1999_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05962465

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