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Dimethylamine → 2-[2-(Dimethylamino)ethyl]-2,3-dihydro-4,8-dimethylpyrido[3,2-f][1,4]-oxazepin-5(4H)-one fumarate

HRID 236208
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 236208
[CH3:1][NH:2][CH3:3].O.Cl[CH2:6][CH2:7][CH:8]1[CH2:14][N:13]([CH3:15])[C:12](=[O:16])[C:11]2[CH:17]=[CH:18][C:19]([CH3:21])=[N:20][C:10]=2[O:9]1.[C:22]([OH:29])(=[O:28])/[CH:23]=[CH:24]/[C:25]([OH:27])=[O:26]>C(O)(C)C>[C:22]([OH:29])(=[O:28])/[CH:23]=[CH:24]/[C:25]([OH:27])=[O:26].[CH3:1][N:2]([CH3:3])[CH2:6][CH2:7][CH:8]1[CH2:14][N:13]([CH3:15])[C:12](=[O:16])[C:11]2[CH:17]=[CH:18][C:19]([CH3:21])=[N:20][C:10]=2[O:9]1
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Komponenten

5

Edukt 3

HCID 674DimethylamineHCID 444972Fumaric AcidHCID 13726454HCID 13726454, Verbindung

Produkt 1

HCID 212714462-[2-(Dimethylamino)ethyl]-2,3-dihydro-4,8-dimethylpyrido[3,2-f][1,4]-oxazepin-5(4H)-one fumarate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 3776IsopropanolLösungsmittel

Versuchsvorschrift

To 50 ml of freshly collected dimethylamine was added 5.0 g (0.020 mole) of 2-(2-chloroethyl)-2,3-dihydro-4,8-dimethylpyrido[3,2-f]-1,4-oxazepin-5(4H)-one hydrate [1:1]. The reaction flask was sealed tightly and left standing at room temperature for 3 days. The dimethylamine was evaporated in a stream of air. The residue was taken up in methylene chloride, washed twice with 1N sodium hydroxide and once with water, dried over sodium sulfate, filtered and concentrated by rotary evaporation. The syrupy residue was treated with 2 equivalents of fumaric acid in isopropyl alcohol which yield 5.2 g (52%) of white crystals, m.p. 164°-165° C.

Aufarbeitung

  1. customThe reaction flask was sealed tightly
  2. waitleft
  3. customThe dimethylamine was evaporated in a stream of air
  4. washwashed twice with 1N sodium hydroxide and once with water
  5. dry with materialdried over sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated by rotary evaporation

Quellen und Nachweise

ORD-Eintrag
ord-ca48b7ee8e83474e9cdc489d979d4a7c
Quelldatensatz
uspto-grants-1987_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US04642343

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