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Tetrabutylammonium Fluoride → alpha-(3,4-Dimethoxvphenyl)-3.4-dihydro-7-hydroxy-6-methoxy-alpha-[(4-methylphenyl)thio]-2(1H)-isoquinolineheptanenitrile

HRID 1684367
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Reaktionsgleichung

Reaktionsgleichung von HRID 1684367
[CH3:1][O:2][C:3]1[CH:4]=[C:5]([C:11]([S:39][C:40]2[CH:45]=[CH:44][C:43]([CH3:46])=[CH:42][CH:41]=2)([CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][N:19]2[CH2:28][CH2:27][C:26]3[C:21](=[CH:22][C:23]([O:31][Si](C(C)(C)C)(C)C)=[C:24]([O:29][CH3:30])[CH:25]=3)[CH2:20]2)[C:12]#[N:13])[CH:6]=[CH:7][C:8]=1[O:9][CH3:10].[F-].C([N+](CCCC)(CCCC)CCCC)CCC>O1CCCC1>[CH3:1][O:2][C:3]1[CH:4]=[C:5]([C:11]([S:39][C:40]2[CH:41]=[CH:42][C:43]([CH3:46])=[CH:44][CH:45]=2)([CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][N:19]2[CH2:28][CH2:27][C:26]3[C:21](=[CH:22][C:23]([OH:31])=[C:24]([O:29][CH3:30])[CH:25]=3)[CH2:20]2)[C:12]#[N:13])[CH:6]=[CH:7][C:8]=1[O:9][CH3:10]
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Komponenten

4

Edukt 2

HCID 2724141Tetrabutylammonium FluorideHCID 15285555alpha-(3,4-Dimethoxyphenyl)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-3,4-dihydro-6-methoxy-alpha-[(4-methylphenyl)thio]-2(1H)-isoquinolineheptanenitrile

Produkt 1

HCID 10721301alpha-(3,4-Dimethoxvphenyl)-3.4-dihydro-7-hydroxy-6-methoxy-alpha-[(4-methylphenyl)thio]-2(1H)-isoquinolineheptanenitrileAusbeute 100,3 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028
Tetrahydrofuran
Lösungsmittel
2×

Versuchsvorschrift

To a solution of 1.0 g of α-(3,4-dimethoxyphenyl)-7-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-3,4-dihydro-6-methoxy-α-[(4-methylphenyl)thio]-2(1H)-isoquinolineheptanenitrile in 30 mL of tetrahydrofuran is added 3.02 mL of a 1.0M solution of tetrabutylammonium fluoride in tetrahydrofuran. This is sealed and stirred for 5 hours. The reaction mixture is evaporated and the residue taken up in ethyl acetate. The solution is washed three times with water, and the organic phase is separated and evaporated. The gum remaining is redissolved in chloroform and the solution evaporated in yacuo at 66° C. This process is repeated twice more affording 0.83 g of the desired product as a brown gum.

Aufarbeitung

  1. customThis is sealed
  2. customThe reaction mixture is evaporated
  3. washThe solution is washed three times with water
  4. customthe organic phase is separated
  5. customevaporated
  6. dissolutionThe gum remaining is redissolved in chloroform
  7. customthe solution evaporated in yacuo at 66° C

Quellen und Nachweise

ORD-Eintrag
ord-811311557e9d41ac98138a2f4f5a23dd
Quelldatensatz
uspto-grants-1997_06
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05639887

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