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Diisopropylethylamine → butyl (S)-1-(2-(((benzyloxy)carbonyl)amino)-3-(4-(5-(4-(heptyloxy)phenyl)pyrimidin-2-yl)phenyl)propanoyl)azetidine-3-carboxylate

HRID 1775888
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Reaktionsgleichung

Reaktionsgleichung von HRID 1775888
[CH2:1]([O:8][C:9]([NH:11][C@@H:12]([CH2:16][C:17]1[CH:22]=[CH:21][C:20]([C:23]2[N:28]=[CH:27][C:26]([C:29]3[CH:34]=[CH:33][C:32]([O:35][CH2:36][CH2:37][CH2:38][CH2:39][CH2:40][CH2:41][CH3:42])=[CH:31][CH:30]=3)=[CH:25][N:24]=2)=[CH:19][CH:18]=1)[C:13]([OH:15])=O)=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[NH:43]1[CH2:46][CH:45]([C:47]([O:49][C:50]([CH3:53])(C)C)=[O:48])[CH2:44]1.[CH3:54][CH2:55]N(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C=O)C>[CH2:1]([O:8][C:9]([NH:11][C@@H:12]([CH2:16][C:17]1[CH:22]=[CH:21][C:20]([C:23]2[N:28]=[CH:27][C:26]([C:29]3[CH:34]=[CH:33][C:32]([O:35][CH2:36][CH2:37][CH2:38][CH2:39][CH2:40][CH2:41][CH3:42])=[CH:31][CH:30]=3)=[CH:25][N:24]=2)=[CH:19][CH:18]=1)[C:13]([N:43]1[CH2:44][CH:45]([C:47]([O:49][CH2:50][CH2:53][CH2:54][CH3:55])=[O:48])[CH2:46]1)=[O:15])=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
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Komponenten

6

Edukt 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 21828700tert-Butyl azetidine-3-carboxylateHCID 117740694(S)-2-(((benzyloxy)carbonyl)amino)-3-(4-(5-(4-(heptyloxy)phenyl)pyrimidin-2-yl)phenyl) propanoic acid

Produkt 1

HCID 131734754
butyl (S)-1-(2-(((benzyloxy)carbonyl)amino)-3-(4-(5-(4-(heptyloxy)phenyl)pyrimidin-2-yl)phenyl)propanoyl)azetidine-3-carboxylate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

Prepared using General Procedure 7: A stirred solution of (S)-2-(((benzyloxy)carbonyl)amino)-3-(4-(5-(4-(heptyloxy)phenyl)pyrimidin-2-yl)phenyl) propanoic acid INT-22 (1 g, 1.76 mmol), tert-butyl azetidine-3-carboxylate (0.554 g, 1.76 mmol) and DIEA (1.30 mL, 7.05 mmol) in DMF (20 mL) at 0° C. was treated with HATU (0.703 g, 1.85 mmol), added portionwise. After 10 min, the cooling bath was removed. After a further 1 h the mixture was poured onto 0.2 M HCl (100 mL) and extracted with EA (3×30 mL). The combined organic extracts were washed with brine (20 mL), dried over MgSO4 and evaporated. Column chromatography (EA/DCM/iso-hexanes) gave 708 mg (58%) often-butyl (S)-1-(2-(((benzyloxy)carbonyl)amino)-3-(4-(5-(4-(heptyloxy)phenyl)pyrimidin-2-yl)phenyl)propanoyl)azetidine-3-carboxylate as an off-white solid. LCMS-ESI (m/z) calculated for C42H50N4O6: 706.4. found 707.1 [M+H]+, tR=3.60 min (Method 6).

Aufarbeitung

  1. customPrepared
  2. additionadded portionwise
  3. customthe cooling bath was removed
  4. additionAfter a further 1 h the mixture was poured onto 0.2 M HCl (100 mL)
  5. extractionextracted with EA (3×30 mL)
  6. washThe combined organic extracts were washed with brine (20 mL)
  7. dry with materialdried over MgSO4
  8. customevaporated

Quellen und Nachweise

ORD-Eintrag
ord-cd09c60d1c644fce85bfc759337499d8
Quelldatensatz
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09260427B2

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