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Diisopropylethylamine → (2S,4R)-methyl 1-((3R)-2-((tert-butoxycarbonyl)amino)-3,5-dimethylnon-8-enoyl)-4-hydroxypyrrolidine-2-carboxylate

HRID 1852183
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1852183
[C:1]([O:5][C:6]([NH:8][CH:9]([C@H:13]([CH3:21])[CH2:14][CH:15]([CH3:20])[CH2:16][CH2:17][CH:18]=[CH2:19])[C:10]([OH:12])=O)=[O:7])([CH3:4])([CH3:3])[CH3:2].CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[OH:55][C@H:56]1[CH2:60][NH:59][C@H:58]([C:61]([O:63][CH3:64])=[O:62])[CH2:57]1>ClCCl>[C:1]([O:5][C:6]([NH:8][CH:9]([C@H:13]([CH3:21])[CH2:14][CH:15]([CH3:20])[CH2:16][CH2:17][CH:18]=[CH2:19])[C:10]([N:59]1[CH2:60][C@H:56]([OH:55])[CH2:57][C@H:58]1[C:61]([O:63][CH3:64])=[O:62])=[O:12])=[O:7])([CH3:2])([CH3:3])[CH3:4]
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Komponenten

6

Edukt 4

HCID 81531DiisopropylethylamineHCID 7015125(4R)-4-Hydroxy-L-proline methyl esterHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 86683236(3R)-2-(tert-butoxycarbonylamino)-3,5-dimethylnon-8-enoic acid

Produkt 1

HCID 86683244
(2S,4R)-methyl 1-((3R)-2-((tert-butoxycarbonyl)amino)-3,5-dimethylnon-8-enoyl)-4-hydroxypyrrolidine-2-carboxylate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel2×

Versuchsvorschrift

To a solution of (3R)-2-((tert-butoxycarbonyl)amino)-3,5-dimethylnon-8-enoic acid (2 g, 6.6 mmole), synthesized using Scheme 1, in dichloromethane (20 mL) was added DIPEA (11.5 mL, 33.0 mmole), HATU (2.7 g, 7.2 mmole) followed by (2S,4R)-methyl 4-hydroxypyrrolidine-2-carboxylate (1.3 g, 7.2 mmole) at room temperature. The reaction mixture was stirred at room temperature for 2 h. The reaction mass was diluted with DCM and washed with water. The organic layer was dried over anhydrous Na2SO4 and concentrated under reduced pressure to get crude (2S,4R)-methyl 1-((3R)-2-((tert-butoxycarbonyl)amino)-3,5-dimethylnon-8-enoyl)-4-hydroxypyrrolidine-2-carboxylate. The crude product was taken to the next step without further purification (2.2 g, 80%). MS: MS m/z 427.2 (M++1).

Aufarbeitung

  1. washwashed with water
  2. dry with materialThe organic layer was dried over anhydrous Na2SO4
  3. concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-be7a21ccafa34e808e3c4d586f8ed547
Quelldatensatz
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08957203B2

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