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Dichloromethane → biphenyl-2-ylcarbamic acid 1-[2-(4-{[(R)-2-(3-formylamino-4-hydroxyphenyl)-2-hydroxyethylamino]methyl}-2,5-dimethylphenyl-carbamoyl)ethyl]piperidin-4-yl ester

HRID 1094959
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Reaktionsgleichung

Reaktionsgleichung von HRID 1094959
[Si]([O:8][C@H:9]([C:48]1[CH:53]=[CH:52][C:51]([OH:54])=[C:50]([NH:55][CH:56]=[O:57])[CH:49]=1)[CH2:10][NH:11][CH2:12][C:13]1[C:18]([CH3:19])=[CH:17][C:16]([NH:20][C:21]([CH2:23][CH2:24][N:25]2[CH2:30][CH2:29][CH:28]([O:31][C:32](=[O:46])[NH:33][C:34]3[CH:39]=[CH:38][CH:37]=[CH:36][C:35]=3[C:40]3[CH:45]=[CH:44][CH:43]=[CH:42][CH:41]=3)[CH2:27][CH2:26]2)=[O:22])=[C:15]([CH3:47])[CH:14]=1)(C(C)(C)C)(C)C.ClCCl.F.F.F.C(N(CC)CC)C>C(OCC)(=O)C>[CH:56]([NH:55][C:50]1[CH:49]=[C:48]([C@@H:9]([OH:8])[CH2:10][NH:11][CH2:12][C:13]2[C:18]([CH3:19])=[CH:17][C:16]([NH:20][C:21]([CH2:23][CH2:24][N:25]3[CH2:30][CH2:29][CH:28]([O:31][C:32](=[O:46])[NH:33][C:34]4[CH:39]=[CH:38][CH:37]=[CH:36][C:35]=4[C:40]4[CH:45]=[CH:44][CH:43]=[CH:42][CH:41]=4)[CH2:27][CH2:26]3)=[O:22])=[C:15]([CH3:47])[CH:14]=2)[CH:53]=[CH:52][C:51]=1[OH:54])=[O:57]
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Komponenten

5

Edukt 3

HCID 6344Dichloromethane2×HCID 175505N,N-Diethylethanamine trihydrofluorideHCID 86615941biphenyl-2-ylcarbamic acid 1-[2-(4-{[(R)-2-(tert-butyldimethylsilanyloxy)-2-(3-formylamino-4-hydroxyphenyl)ethylamino]-methyl}-2,5-dimethylphenylcarbamoyl)ethyl]piperidin-4-yl ester

Produkt 1

HCID 16755732biphenyl-2-ylcarbamic acid 1-[2-(4-{[(R)-2-(3-formylamino-4-hydroxyphenyl)-2-hydroxyethylamino]methyl}-2,5-dimethylphenyl-carbamoyl)ethyl]piperidin-4-yl ester

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

To a 1 L round-bottom flask was added biphenyl-2-ylcarbamic acid 1-[2-(4-{[(R)-2-(tert-butyldimethylsilanyloxy)-2-(3-formylamino-4-hydroxyphenyl)ethylamino]methyl}-2,5-dimethylphenylcarbamoyl)ethyl]piperidin-4-yl ester (21.5 g, 27.1 mmol) and dichloromethane (200 mL). The resulting mixture was stirred at room temperature until the ingredients dissolved and then triethylamine trihydrofluoride (8.85 mL, 54.2 mmol) was added and the resulting mixture was stirred at 25° C. for about 48 hours. The solvent was removed on a rotary evaporator to provide a thick paste. Dichloromethane (100 mL) and ethyl acetate (200 mL) were added to the paste and the resulting mixture was stirred for 30 minutes. The resulting slurry was slowly filtered under dry nitrogen and the filter cake was washed with a 1:2 mixture of dichloromethane and ethyl acetate (100 mL total), dried under nitrogen for 2 hours and then dried under vacuum overnight to provide biphenyl-2-ylcarbamic acid 1-[2-(4-{[(R)-2-(3-formylamino-4-hydroxyphenyl)-2-hydroxyethylamino]methyl}-2,5-dimethylphenylcarbamoyl)ethyl]piperidin-4-yl ester as a hydrofluoride salt (25 g, 96.9% purity) which was a hard clay-like solid. MS [M+H+] found 680.8.

Aufarbeitung

  1. dissolutiondissolved
  2. stirringthe resulting mixture was stirred at 25° C. for about 48 hours
  3. customThe solvent was removed on a rotary evaporator
  4. customto provide a thick paste
  5. stirringthe resulting mixture was stirred for 30 minutes
  6. filtrationThe resulting slurry was slowly filtered under dry nitrogen
  7. washthe filter cake was washed with a 1:2 mixture of dichloromethane and ethyl acetate (100 mL total)
  8. customdried under nitrogen for 2 hours
  9. customdried under vacuum overnight

Quellen und Nachweise

ORD-Eintrag
ord-d87e08918dd34788a0a6781c5b67e132
Quelldatensatz
uspto-grants-2012_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08134006B2

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