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Hydrochloric Acid → (E)-3-{4-[5-(Cyclopropyl-methyl-amino)-4-methoxy-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-cyclohexa-2,4-dienyl}-2-methyl-acrylic acid

HRID 1869927
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1869927
C[O:2][C:3](=[O:34])/[C:4](/[CH3:33])=[CH:5]/[CH:6]1[CH2:11][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.C(OC(=O)/C(/C)=C/C1CC=C(C#CC2C=C(OC)C3C(N(C4CC4)C)CCC(C)(C)C=3C=2)C=C1)C.[OH-].[K+].Cl>CO.O1CCCC1>[CH:28]1([N:26]([CH3:27])[CH:20]2[CH2:19][CH2:18][C:17]([CH3:32])([CH3:31])[C:16]3[CH:15]=[C:14]([C:13]#[C:12][C:9]4[CH:8]=[CH:7][CH:6](/[CH:5]=[C:4](\[CH3:33])/[C:3]([OH:34])=[O:2])[CH2:11][CH:10]=4)[CH:23]=[C:22]([O:24][CH3:25])[C:21]2=3)[CH2:30][CH2:29]1
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Komponenten

7

Edukt 4

HCID 313Hydrochloric AcidHCID 14797Potassium HydroxideHCID 86600190(E)-3-{4-[5-(cyclopropyl-methyl-amino)-4-methoxy-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-cyclohexa-2,4-dienyl}-2-methyl-acrylic acid methyl esterHCID 86600191(E)-3-{4-[5-(Cyclopropyl-methyl-amino)-4-methoxy-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-cyclohexa-2,4-dienyl}-2-methyl-acrylic acid ethyl ester

Produkt 1

HCID 21107273
(E)-3-{4-[5-(Cyclopropyl-methyl-amino)-4-methoxy-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-cyclohexa-2,4-dienyl}-2-methyl-acrylic acid
Ausbeute 49,4 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 887MethanolLösungsmittelHCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

A solution of (E)-3-{4-[5-(cyclopropyl-methyl-amino)-4-methoxy-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-cyclohexa-2,4-dienyl}-2-methyl-acrylic acid methyl ester (Intermediate 87, 0.12 g, 0.25 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 recrystallized from hot acetonitrile to afford the title product as a white solid (0.055 g, 49%).

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
  7. customwas recrystallized from hot acetonitrile

Quellen und Nachweise

ORD-Eintrag
ord-bd71b1050ec248bd94268cb93f713f55
Quelldatensatz
uspto-grants-2009_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07638648B2

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