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Hydrochloric Acid → 2-{[(3,5-Bis-trifluoromethyl-benzyl)-(2-methyl-2H-tetrazol-5-yl)-amino]-methyl}-4-trifluoromethyl-phenyl-cyclobutyl-methanol

HRID 2075084
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2075084
[F:1][C:2]([F:35])([F:34])[C:3]1[CH:4]=[C:5]([CH:27]=[C:28]([C:30]([F:33])([F:32])[F:31])[CH:29]=1)[CH2:6][N:7]([CH2:14][C:15]1[CH:22]=[C:21]([C:23]([F:26])([F:25])[F:24])[CH:20]=[CH:19][C:16]=1[CH:17]=[O:18])[C:8]1[N:9]=[N:10][N:11]([CH3:13])[N:12]=1.[CH:36]1([Mg]Br)[CH2:39][CH2:38][CH2:37]1.Cl>O1CCCC1>[F:33][C:30]([F:31])([F:32])[C:28]1[CH:27]=[C:5]([CH:4]=[C:3]([C:2]([F:1])([F:34])[F:35])[CH:29]=1)[CH2:6][N:7]([CH2:14][C:15]1[CH:22]=[C:21]([C:23]([F:26])([F:25])[F:24])[CH:20]=[CH:19][C:16]=1[CH:17]([CH:36]1[CH2:39][CH2:38][CH2:37]1)[OH:18])[C:8]1[N:9]=[N:10][N:11]([CH3:13])[N:12]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 313Hydrochloric AcidHCID 589665242-{[(3,5-bis-trifluoromethyl-benzyl)(2-methyl-2H-tetrazol-5-yl)amino]-methyl}-4-trifluoromethyl-benzaldehydeHCID 178419648HCID 178419648, Verbindung

Produkt 1

HCID 589686942-{[(3,5-Bis-trifluoromethyl-benzyl)-(2-methyl-2H-tetrazol-5-yl)-amino]-methyl}-4-trifluoromethyl-phenyl-cyclobutyl-methanolAusbeute 25 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Reaktionsbedingungen

Temperatur
-10 °C

Versuchsvorschrift

To a solution of 2-{[(3,5-bis-trifluoromethyl-benzyl)(2-methyl-2H-tetrazol-5-yl)amino]-methyl}-4-trifluoromethyl-benzaldehyde (1.5 g; 2.9 mmol) in tetrahydrofuran (14 mL) at −10° C. was added dropwise cyclobutylmagnesium bromide (9 mL; 5.4 mmol; 0.6M solution in tetrahydrofuran). The reaction was stirred at −10° C. for 1.5 hours. To quench the reaction, at 0° C. was added aqueous 2N hydrochloric acid. Reaction extracted with ethyl acetate. The organic was washed with aqueous 2N hydrochloric acid, water and brine. It was dried sodium sulfate and concentrated under reduced pressure. The residue was purified by 40 g RediSep column (Teledyne Isco Inc., Lincoln Nebr.) (eluted with 15-70% ethyl acetate in heptane) to give 420 mg (25% yield) as a gum. MS (ES−): Calc; 567.4, Found: 612.6 (M+HCO2). 1H NMR (400 MHz, CDCl3) δ ppm 7.78 (s, 1H), 7.66 (s, 2H), 7.52 (d, J=8.30 Hz, 1H), 7.49 (d, J=8.30 Hz, 1H), 7.35 (s, 1H), 4.86 (q, J=15.77 Hz, 2H), 4.86 (s, 1H), 4.77 (q, J=15.77, 16.18 Hz, 2H), 4.20 (s, 3H), 2.68 (m, 1H), 2.05-1.96 (m, 2H), 1.93-1.76 (m, 3H), 1.70 (m, 1H).

Aufarbeitung

  1. customTo quench
  2. customthe reaction
  3. customReaction
  4. extractionextracted with ethyl acetate
  5. washThe organic was washed with aqueous 2N hydrochloric acid, water and brine
  6. concentrationconcentrated under reduced pressure
  7. customThe residue was purified by 40 g RediSep column (Teledyne Isco Inc., Lincoln Nebr.) (eluted with 15-70% ethyl acetate in heptane)
  8. customto give 420 mg (25% yield) as a gum

Quellen und Nachweise

ORD-Eintrag
ord-6ee311477a64480297dd3b812e4ca59f
Quelldatensatz
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07919506B2

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