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4-Piperidinecarboxylic acid → 1,1'-[Dithiobis(2,1-phenylenecarbonyl)]bis-4-piperidine carboxylic acid

HRID 3738
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 3738
[NH:1]1[CH2:9][CH2:8][CH:4]([C:5]([OH:7])=[O:6])[CH2:3][CH2:2]1.[CH3:10][N:11]([Si](C)(C)C)[C:12](=O)[CH3:13].[C:19](Cl)(=[O:37])[C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=1[S:26][S:27][C:28]1[CH:36]=[CH:35][CH:34]=[CH:33][C:29]=1[C:30](Cl)=[O:31]>N1C=CC=CC=1.ClCCl>[C:29]1([C:30]([N:11]2[CH2:12][CH2:13][CH:4]([C:5]([OH:7])=[O:6])[CH2:3][CH2:10]2)=[O:31])[CH:33]=[CH:34][CH:35]=[CH:36][C:28]=1[S:27][S:26][C:21]1[CH:22]=[CH:23][CH:24]=[CH:25][C:20]=1[C:19]([N:1]1[CH2:9][CH2:8][CH:4]([C:5]([OH:7])=[O:6])[CH2:3][CH2:2]1)=[O:37]
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Komponenten

6

Edukt 3

HCID 37734-Piperidinecarboxylic acidHCID 81953N-Trimethylsilyl-N-methylacetamideHCID 881642,2'-Dithiodibenzoyl chloride

Produkt 1

HCID 189352891,1'-[Dithiobis(2,1-phenylenecarbonyl)]bis-4-piperidine carboxylic acid

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 1049PyridineKatalysator
HCID 6344
Dichloromethane
Lösungsmittel

Versuchsvorschrift

Isonipecotic acid (4-piperidinecarboxylic acid) (0.76 g, 6 mmol), N-methyl-N-trimethylsilylacetamide and 3 drops of pyridine were stirred at room temperature for 2 hours. This suspension was added to a filtered solution of 2,2'-dithiobisbenzoyl chloride (1.0 g, 3.0 mmol) in 15 mL of dichloromethane. The solvent was removed after 18 hours and the residue was triturated with 1N HCl. The acid was decanted and the residue was dissolved in acetonitrile. After standing for 24 hours a precipitate formed. The solid was collected and dried to give 0.56 g of the title compound, mp>250° C.;

Aufarbeitung

  1. customThe solvent was removed after 18 hours
  2. customthe residue was triturated with 1N HCl
  3. customThe acid was decanted
  4. dissolutionthe residue was dissolved in acetonitrile
  5. customa precipitate formed
  6. customThe solid was collected
  7. customdried

Quellen und Nachweise

ORD-Eintrag
ord-90022719d27c459586f6b49166817b5d
Quelldatensatz
uspto-grants-1998_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05734081

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