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Hydrochloric Acid → benzyl((S)-1-(2-(2-hydroxyphenyl)-7-methylquinazolin-4-yl)pyrrolidin-3-yl)methylcarbamate

HRID 2079430
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2079430
C(O[C:6]([N:8]1[CH2:12][CH2:11][C@@H:10]([CH2:13][NH:14][C:15](=[O:24])[O:16][CH2:17][C:18]2[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=2)[CH2:9]1)=O)(C)(C)C.Cl.ClC1[C:36]2[C:31](=[CH:32][C:33]([CH3:37])=[CH:34][CH:35]=2)[N:30]=[C:29]([C:38]2[CH:43]=[CH:42][CH:41]=[CH:40][C:39]=2[OH:44])[N:28]=1.C(N(CC)CC)C>O1CCOCC1.C(Cl)Cl>[OH:44][C:39]1[CH:40]=[CH:41][CH:42]=[CH:43][C:38]=1[C:29]1[N:28]=[C:6]([N:8]2[CH2:12][CH2:11][C@@H:10]([CH2:13][NH:14][C:15](=[O:24])[O:16][CH2:17][C:18]3[CH:19]=[CH:20][CH:21]=[CH:22][CH:23]=3)[CH2:9]2)[C:36]2[C:31](=[CH:32][C:33]([CH3:37])=[CH:34][CH:35]=2)[N:30]=1
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Komponenten

7

Edukt 4

HCID 313Hydrochloric AcidHCID 8471TriethylamineHCID 59254364(S)-tert-Butyl 3-((((benzyloxy)carbonyl)amino)methyl)pyrrolidine-1-carboxylateHCID 1361050322-(4-Chloro-7-methylquinazolin-2-yl)-phenol

Produkt 1

HCID 136121473benzyl((S)-1-(2-(2-hydroxyphenyl)-7-methylquinazolin-4-yl)pyrrolidin-3-yl)methylcarbamateAusbeute 68 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6344DichloromethaneLösungsmittelHCID 312751,4-DioxaneLösungsmittel

Versuchsvorschrift

A mixture of benzyl ((S)-1-(tert-butoxycarbonyl)pyrrolidin-3-yl)methylcarbamate (0.20 g, 0.60 mmol) and 4 M HCl in dioxane (10 mL) was stirred for 3 h at room temperature. After evaporating the solvent under reduced pressure, the solid was triturated with Et2O, dried under vacuum, and taken up in CH2Cl2 (10 mL). 2-(4-Chloro-7-methylquinazolin-2-yl)phenol (0.16 g, 0.60 mmol) was added to this solution, followed by the addition of triethylamine (0.25 mL, 1.8 mmol). The reaction mixture was stirred at room temperature overnight, then diluted with CH2Cl2 and washed with water. The combined organic layers were dried over Na2SO4, filtered, and concentrated. Purification via silica gel chromatography using 0-40% EtOAc in hexanes gave benzyl ((S)-1-(2-(2-hydroxyphenyl)-7-methylquinazolin-4-yl)pyrrolidin-3-yl)methylcarbamate as a colorless oil (0.19 g, 68% yield). LC/MS: m/z 469.1 (M+H)+ at 2.58 min (10%-99% CH3CN (0.035% TFA)/H2O (0.05% TFA)).

Aufarbeitung

  1. customAfter evaporating the solvent under reduced pressure
  2. customthe solid was triturated with Et2O
  3. customdried under vacuum
  4. stirringThe reaction mixture was stirred at room temperature overnight
  5. washwashed with water
  6. dry with materialThe combined organic layers were dried over Na2SO4
  7. filtrationfiltered
  8. concentrationconcentrated
  9. customPurification via silica gel chromatography

Quellen und Nachweise

ORD-Eintrag
ord-37600f880ff64660ba5f51f993b6188d
Quelldatensatz
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07928107B2

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