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Trifluoroacetic acid → 2-Amino-1-{3-[2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl]-azetidin-1-yl}-2-methyl-propan-1-one

HRID 2385985
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Reaktionsgleichung von HRID 2385985
[CH:1]([N:4]1[C:8]([C:9]2[S:10][C:11]3[CH2:12][CH2:13][O:14][C:15]4[CH:22]=[C:21]([CH:23]5[CH2:26][N:25]([C:27](=[O:35])[C:28]([NH:31]C(=O)O)([CH3:30])[CH3:29])[CH2:24]5)[CH:20]=[CH:19][C:16]=4[C:17]=3[N:18]=2)=[N:7][CH:6]=[N:5]1)([CH3:3])[CH3:2].C(O)(C(F)(F)F)=O>C(Cl)Cl>[NH2:31][C:28]([CH3:30])([CH3:29])[C:27]([N:25]1[CH2:24][CH:23]([C:21]2[CH:20]=[CH:19][C:16]3[C:17]4[N:18]=[C:9]([C:8]5[N:4]([CH:1]([CH3:3])[CH3:2])[N:5]=[CH:6][N:7]=5)[S:10][C:11]=4[CH2:12][CH2:13][O:14][C:15]=3[CH:22]=2)[CH2:26]1)=[O:35]
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4

Edukt 2

HCID 6422Trifluoroacetic acidHCID 86652328(2-{3-[2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl]-azetidin-1-yl}-1,1-dimethyl-2-oxo-ethyl)-carbamic acid

Produkt 1

HCID 582037892-Amino-1-{3-[2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl]-azetidin-1-yl}-2-methyl-propan-1-oneAusbeute 71 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344
Dichloromethane
Lösungsmittel

Versuchsvorschrift

To a solution of (2-{3-[2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl]-azetidin-1-yl}-1,1-dimethyl-2-oxo-ethyl)-carbamic acid tent-butyl ester (203 mg, 0.36 mmol) in DCM (2 mL) was added TFA (2 mL) and the reaction mixture was stirred for 1 hour then concentrated in vacuo. The residual solid was triturated with ether, filtered off and air-dried before being dissolved in DCM. The organic solution was washed (aqueous saturated sodium bicarbonate solution, followed by water and then brine), dried (MgSO4) and concentrated in vacuo. The residue was freeze-dried from MeOH/H2O to give 469 as a white solid (116 mg, 71%). LCMS: RT=8.13 min, [M+H]+=453. 1H NMR δ (ppm) (DMSO-d6): 8.30 (1 H, d, J=8.19 Hz), 8.06 (1 H, s), 7.18 (1 H, dd, J=8.24, 1.86 Hz), 7.00 (1 H, d, J=1.82 Hz), 5.82-5.74 (1 H, m), 4.79 (1 H, s), 4.42 (1 H, s), 4.33 (2 H, t, J=5.13 Hz), 4.19 (1 H, s), 3.77-3.70 (2 H, m), 3.39 (2 H, t, J=5.02 Hz), 1.74 (2H, s), 1.50 (6 H, d, J=6.59 Hz), 1.17 (6 H, s)

Aufarbeitung

  1. concentrationthen concentrated in vacuo
  2. customThe residual solid was triturated with ether
  3. filtrationfiltered off
  4. customair-dried
  5. dissolutionbefore being dissolved in DCM
  6. washThe organic solution was washed (aqueous saturated sodium bicarbonate solution
  7. dry with materialbrine), dried (MgSO4)
  8. concentrationconcentrated in vacuo
  9. dry with materialThe residue was freeze-dried from MeOH/H2O

Quellen und Nachweise

ORD-Eintrag
ord-7e5d1d68d67b47f68065766abaf8aeac
Quelldatensatz
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08263633B2

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