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Hydrochloric Acid → 2-{4-[5-(Cyclopropyl-methyl-amino)-4-methoxy-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-propionic acid

HRID 2377401
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2377401
C[O:2][C:3](=[O:33])[CH:4]([C:6]1[CH:11]=[CH:10][C:9]([C:12]#[C:13][C:14]2[CH:23]=[C:22]([O:24][CH3:25])[C:21]3[CH:20]([N:26]([CH:28]4[CH2:30][CH2:29]4)[CH3:27])[CH2:19][CH2:18][C:17]([CH3:32])([CH3:31])[C:16]=3[CH:15]=2)=[CH:8][CH:7]=1)[CH3:5].[OH-].[K+].Cl>CO.O1CCCC1>[CH:28]1([N:26]([CH3:27])[CH:20]2[CH2:19][CH2:18][C:17]([CH3:31])([CH3:32])[C:16]3[CH:15]=[C:14]([C:13]#[C:12][C:9]4[CH:8]=[CH:7][C:6]([CH:4]([CH3:5])[C:3]([OH:33])=[O:2])=[CH:11][CH:10]=4)[CH:23]=[C:22]([O:24][CH3:25])[C:21]2=3)[CH2:29][CH2:30]1
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Komponenten

6

Edukt 3

HCID 313Hydrochloric AcidHCID 14797Potassium HydroxideHCID 574242452-{4-[5-(Cyclopropyl-methyl-amino)-4-methoxy-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-propionic acid methyl ester2×

Produkt 1

HCID 211071292-{4-[5-(Cyclopropyl-methyl-amino)-4-methoxy-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-propionic acidAusbeute 56 %

Reagenzien, Katalysatoren, Lösungsmittel

2
HCID 887MethanolLösungsmittelHCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

A solution of 2-{4-[5-(cyclopropyl-methyl-amino)-4-methoxy-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-propionic acid methyl ester (Intermediate 84, 0.115 g, 0.26 mmol) in methanol (3 mL) and tetrahydrofuran (2 mL) was treated with a 3M solution of potassium hydroxide (1 mL, 3 mmol) and the resulting reaction mixture was stirred at ambient temperature overnight. The reaction mixture was neutralized with 5% aqueous hydrochloric acid and extracted with ethyl acetate. The organic phase was washed with water and brine, and dried over anhydrous magnesium sulfate, filtered and evaporated in vacuo to a residue that was subjected to flash column chromatography over silica gel (230-400 mesh) using 8% methanol in ethyl acetate as the eluent to afford the title product as a yellow solid (0.062 g, 56%).

Aufarbeitung

  1. customthe resulting reaction mixture
  2. extractionextracted with ethyl acetate
  3. washThe organic phase was washed with water and brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. filtrationfiltered
  6. customevaporated in vacuo to a residue that

Quellen und Nachweise

ORD-Eintrag
ord-b53b8a2d9fba4598b997c5f634b61099
Quelldatensatz
uspto-grants-2008_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07468391B2

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