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

HRID 2079400
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2079400
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 solution 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 and dried under vacuum, then taken up in CH2Cl2 (10 mL). To this solution was added 2-(4-chloro-7-methylquinazolin-2-yl)phenol (0.16 g, 0.60 mmol) and 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 organic extracts 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%). 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. washwashed with water
  5. dry with materialThe organic extracts were dried over Na2SO4
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customPurification via silica gel chromatography

Quellen und Nachweise

ORD-Eintrag
ord-7e3780ba6a1b4a5da106d7348939a273
Quelldatensatz
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07928107B2

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