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1-(Diphenylmethyl)azetidin-3-yl methanesulfonate → 3-Amino-1-(diphenylmethyl)azetidine

HRID 366466
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 366466
S(O[CH:6]1[CH2:9][N:8]([CH:10]([C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)[C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=2)[CH2:7]1)(C)(=O)=O.C1(=O)[NH:27]C(=O)C2=CC=CC=C12.[K]>[Br-].C([P+](CCCC)(CCCC)CCCC)CCCCCCCCCCCCCCC.C1(C)C=CC=CC=1>[NH2:27][CH:6]1[CH2:9][N:8]([CH:10]([C:17]2[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=2)[C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=2)[CH2:7]1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 2

HCID 27587161-(Diphenylmethyl)azetidin-3-yl methanesulfonateHCID 24194345Phthalimide potassium salt

Produkt 1

HCID 57445463-Amino-1-(diphenylmethyl)azetidine

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 84716Hexadecyltributylphosphonium bromideKatalysatorHCID 1140TolueneLösungsmittel

Versuchsvorschrift

3-Mesyloxy-1-benzhydrylazetidine (30.32 g, 95.5 mmol), potassium phthalimide (21.59 g, 116.53 mmol) and hexadecyl tributylphosphonium bromide (5.92 g, 11.7 mmol) were added to toluene (600 mL) and the mixture stirred at room temperature overnight. The reaction was then heated at reflux for 3 h. The solid was removed by filtration, washed with EtOAc and the combined organics then washed with H2O. After drying over Na2SO4, the organics were treated with charcoal and then concentrated to an oil. Addition of isopropyl ether induced crystallization of the product (16.37 g, 46%).

Aufarbeitung

  1. temperatureThe reaction was then heated
  2. temperatureat reflux for 3 h
  3. customThe solid was removed by filtration
  4. washwashed with EtOAc
  5. washthe combined organics then washed with H2O
  6. dry with materialAfter drying over Na2SO4
  7. additionthe organics were treated with charcoal
  8. concentrationconcentrated to an oil
  9. additionAddition of isopropyl ether
  10. customcrystallization of the product (16.37 g, 46%)

Quellen und Nachweise

ORD-Eintrag
ord-7df9b80dab8a4c9aa986b75551577bd6
Quelldatensatz
uspto-grants-2000_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06130217

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