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Hydrochloric Acid → (1R)-3-(7-amino-1,1-dioxido-4H-1,2,4-benzothiadiazin-3-yl)-1-(3,3-dimethylbutyl)-4-hydroxy-1-methylnaphthalen-2(1H)-one

HRID 494597
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 494597
[CH3:1][C:2]([CH3:39])([CH3:38])[CH2:3][CH2:4][C@:5]1([CH3:37])[C:14]2[C:9](=[CH:10][CH:11]=[CH:12][CH:13]=2)[C:8]([OH:15])=[C:7]([C:16]2[NH:21][C:20]3[CH:22]=[CH:23][C:24]([NH:26]C(=O)OC(C)(C)C)=[CH:25][C:19]=3[S:18](=[O:35])(=[O:34])[N:17]=2)[C:6]1=[O:36].Cl.O1CCOCC1>ClCCl>[NH2:26][C:24]1[CH:23]=[CH:22][C:20]2[NH:21][C:16]([C:7]3[C:6](=[O:36])[C@@:5]([CH2:4][CH2:3][C:2]([CH3:1])([CH3:38])[CH3:39])([CH3:37])[C:14]4[C:9]([C:8]=3[OH:15])=[CH:10][CH:11]=[CH:12][CH:13]=4)=[N:17][S:18](=[O:35])(=[O:34])[C:19]=2[CH:25]=1
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Komponenten

5

Edukt 3

HCID 313Hydrochloric AcidHCID 312751,4-DioxaneHCID 135869460Tert-butyl 3-[(4R)-4-(3,3-dimethylbutyl)-1-hydroxy-4-methyl-3-oxo-3,4-dihydronaphthalen-2-yl]-1,1-dioxido-4H-1,2,4-benzothiadiazin-7-ylcarbamate

Produkt 1

HCID 135869465(1R)-3-(7-amino-1,1-dioxido-4H-1,2,4-benzothiadiazin-3-yl)-1-(3,3-dimethylbutyl)-4-hydroxy-1-methylnaphthalen-2(1H)-oneAusbeute 70 %

Reagenzien, Katalysatoren, Lösungsmittel

1
HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To a solution of the product of Example 49-5 (185.0 g, 0.334 mol) in dichloromethane (220 mL) was added 4 M HCl in dioxane (430 mL, 1.72 mol) and the solution was mixed at room temperature for 3.5 h. The reaction was quenched by addition of ethyl acetate (1 L) and pH 7 phosphate buffer (1.5 L) and the layers were separated. The organic layer was concentrated and chased with ethanol to a final volume of approximately 1100 mL. The product precipitated and was isolated by filtration and dried to give the title compound (105.79 g, 70%).

Aufarbeitung

  1. additionthe solution was mixed at room temperature for 3.5 h
  2. customThe reaction was quenched by addition of ethyl acetate (1 L) and pH 7 phosphate buffer (1.5 L)
  3. customthe layers were separated
  4. concentrationThe organic layer was concentrated and chased with ethanol to a final volume of approximately 1100 mL
  5. customThe product precipitated
  6. customwas isolated by filtration
  7. customdried

Quellen und Nachweise

ORD-Eintrag
ord-9eef5f428b774f4b937cf6c5b6967f53
Quelldatensatz
uspto-grants-2009_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07538105B2

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