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Trifluoroacetic acid → N5-(3-(4-(bis(4-methoxybenzyl)amino)-6-methyl-1,3,5-triazin-2-yl)pyridin-2-yl)pyridine-2,5-diamine

HRID 1621674
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1621674
[CH3:1][O:2][C:3]1[CH:47]=[CH:46][C:6]([CH2:7][N:8]([CH2:37][C:38]2[CH:43]=[CH:42][C:41]([O:44][CH3:45])=[CH:40][CH:39]=2)[C:9]2[N:14]=[C:13]([CH3:15])[N:12]=[C:11]([C:16]3[C:17]([NH:22][C:23]4[CH:24]=[CH:25][C:26]([NH:29]C(=O)OC(C)(C)C)=[N:27][CH:28]=4)=[N:18][CH:19]=[CH:20][CH:21]=3)[N:10]=2)=[CH:5][CH:4]=1.C(O)(C(F)(F)F)=O>C(Cl)Cl>[CH3:1][O:2][C:3]1[CH:4]=[CH:5][C:6]([CH2:7][N:8]([CH2:37][C:38]2[CH:39]=[CH:40][C:41]([O:44][CH3:45])=[CH:42][CH:43]=2)[C:9]2[N:14]=[C:13]([CH3:15])[N:12]=[C:11]([C:16]3[C:17]([NH:22][C:23]4[CH:24]=[CH:25][C:26]([NH2:29])=[N:27][CH:28]=4)=[N:18][CH:19]=[CH:20][CH:21]=3)[N:10]=2)=[CH:46][CH:47]=1
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Komponenten

4

Edukt 2

HCID 6422Trifluoroacetic acidHCID 66611588Tert-butyl 5-(3-(4-(bis(4-methoxybenzyl)amino)-6-methyl-1,3,5-triazin-2-yl)pyridin-2-ylamino)pyridin-2-ylcarbamate

Produkt 1

HCID 66611800N5-(3-(4-(bis(4-methoxybenzyl)amino)-6-methyl-1,3,5-triazin-2-yl)pyridin-2-yl)pyridine-2,5-diamineAusbeute 95,2 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

A solution of tert-butyl 5-(3-(4-(bis(4-methoxybenzyl)amino)-6-methyl-1,3,5-triazin-2-yl)pyridin-2-ylamino)pyridin-2-ylcarbamate (0.145 g, 0.228 mmol) and TFA (Aldrich) (1.0 mL, 13 mmol) in DCM (3 mL) was stirred at rt for 1 h. The reaction mixture was partitioned between saturated aqueous sodium bicarbonate (40 mL) and DCM (20 mL). The aqueous phase was extracted with 25% iPrOH in CHCl3+1% NH4OH (2×40 mL). The combined organic phases were dried over sodium sulfate, filtered and concentrated in vacuo. The crude product was purified by silica gel chromatography (25 g, eluent: iPrOH (w/10% NH4OH) in CHCl3 0%-10%) to give N5-(3-(4-(bis(4-methoxybenzyl)amino)-6-methyl-1,3,5-triazin-2-yl)pyridin-2-yl)pyridine-2,5-diamine (0.116 g, 95%) as an orange solid. 1H NMR (300 MHz, CDCl3) δ 11.51 (s, 1H); 8.80 (dd, J=7.67, 1.53 Hz, 1H); 8.18-8.33 (m, 1H); 8.12 (d, J=1.75 Hz, 1H); 7.78 (dd, J=8.70, 2.27 Hz, 1H); 7.19 (t, J=8.84 Hz, 4H); 6.85 (t, J=8.84 Hz, 4H); 6.70 (dd, J=7.67, 4.75 Hz, 1H); 6.50 (d, J=8.77 Hz, 1H); 4.83 (d, J=6.58 Hz, 4H); 4.26 (br. s., 2H); 3.69-3.91 (m, 6H); 2.56 (s, 3H). m/z (ESI, +ve ion) 535.1 (M+H)+.

Aufarbeitung

  1. customThe reaction mixture was partitioned between saturated aqueous sodium bicarbonate (40 mL) and DCM (20 mL)
  2. extractionThe aqueous phase was extracted with 25% iPrOH in CHCl3+1% NH4OH (2×40 mL)
  3. dry with materialThe combined organic phases were dried over sodium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customThe crude product was purified by silica gel chromatography (25 g, eluent: iPrOH (w/10% NH4OH) in CHCl3 0%-10%)

Quellen und Nachweise

ORD-Eintrag
ord-01c8a75d542b470e890777dc57127291
Quelldatensatz
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08772480B2

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