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Hydrochloric Acid → (R)-1-(naphthalen-1-yl)ethyl-[(S)-1-(pyrimidin-2-yl)pyrrolidin-3-yl]amine dihydrochloride

HRID 1622172
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1622172
C(C1C=CC(N2CC[C@H](N[C@@H](C3C4C(=CC=CC=4)C=CC=3)C)C2)=CC=1)(=O)C.[C:28]1([C@H:38]([NH:40][C@H:41]2[CH2:45][CH2:44][N:43]([C:46]3[N:51]=[CH:50][CH:49]=[CH:48][N:47]=3)[CH2:42]2)[CH3:39])[C:37]2[C:32](=[CH:33][CH:34]=[CH:35][CH:36]=2)[CH:31]=[CH:30][CH:29]=1.[ClH:52]>C(OCC)(=O)C>[ClH:52].[ClH:52].[C:28]1([C@H:38]([NH:40][C@H:41]2[CH2:45][CH2:44][N:43]([C:46]3[N:47]=[CH:48][CH:49]=[CH:50][N:51]=3)[CH2:42]2)[CH3:39])[C:37]2[C:32](=[CH:33][CH:34]=[CH:35][CH:36]=2)[CH:31]=[CH:30][CH:29]=1
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Komponenten

5

Edukt 3

HCID 313Hydrochloric AcidHCID 58973483(S)-1-(4-acetylphenyl)pyrrolidin-3-yl-[(R)-1-(naphthalen-1-yl)ethyl]amineHCID 58973519(R)-1-(naphthalen-1-yl)ethyl-[(S)-1-(pyrimidin-2-yl)pyrrolidin-3-yl]amine

Produkt 1

HCID 67408264(R)-1-(naphthalen-1-yl)ethyl-[(S)-1-(pyrimidin-2-yl)pyrrolidin-3-yl]amine dihydrochloride

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8857
Ethyl Acetate
Lösungsmittel
2×

Versuchsvorschrift

To a suspension of 156.6 mg of (S)-3-[(R)-1-(naphthalen-1-yl)ethylamino]pyrrolidine dihydrochloride in 5 ml of dioxane were added 87.4 mg of 2-bromopyrimidine and 207 mg of diisopropylethylamine, and the mixture was stirred under reflux for 16 hours. The reaction mixture was evaporated, and to the residue were added a saturated aqueous sodium bicarbonate solution and chloroform, the mixture was stirred and the liquids were separated. The organic layer was dried, the solvent was evaporated, and the residue was purified by silica gel column chromatography (hexane:ethyl acetate=1:2→0:1) to obtain 112 mg of (R)-1-(naphthalen-1-yl)ethyl-[(S)-1-(pyrimidin-2-yl)pyrrolidin-3-yl]amine. (2) In 10 ml of ethyl acetate was dissolved 112 mg of (R)-1-(naphthalen-1-yl)ethyl-[(S)-1-(pyrimidin-2-yl)pyrrolidin-3-yl]amine, and 1 ml of a solution of 4M hydrochloric acid in ethyl acetate was added to the mixture and the resulting mixture was stirred. The reaction mixture was concentrated under reduced pressure, to the residue was added diethyl ether, precipitates were collected by filtration and washed with ethyl acetate, to obtain 68.3 mg of (R)-1-(naphthalen-1-yl)ethyl-[(S)-1-(pyrimidin-2-yl)pyrrolidin-3-yl]amine dihydrochloride (the following Table A2, Example 2.010).

Aufarbeitung

  1. additionwas added to the mixture
  2. concentrationThe reaction mixture was concentrated under reduced pressure, to the residue
  3. additionwas added diethyl ether
  4. customprecipitates
  5. filtrationwere collected by filtration
  6. washwashed with ethyl acetate

Quellen und Nachweise

ORD-Eintrag
ord-afea8d6dbfae439da13544faa2dd4703
Quelldatensatz
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08778628B2

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