Triphenylphosphine → 6-[1-(Pyridin-4-yl)piperidin-4-ylmethoxy]-1,2,3,4-tetrahydroisoquinoline-2-carboxylic acid tert-butyl ester

HRID 412580

Reaktionsgleichung

Reaktionsgleichung von HRID 412580
[C:1]([O:5][C:6]([N:8]1[CH2:17][CH2:16][C:15]2[C:10](=[CH:11][CH:12]=[C:13]([OH:18])[CH:14]=2)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].O[CH2:20][CH:21]1[CH2:26][CH2:25][N:24]([C:27]2[CH:32]=[CH:31][N:30]=[CH:29][CH:28]=2)[CH2:23][CH2:22]1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C(OC(C)C)=O)=NC(OC(C)C)=O>O1CCCC1.C(Cl)Cl>[C:1]([O:5][C:6]([N:8]1[CH2:17][CH2:16][C:15]2[C:10](=[CH:11][CH:12]=[C:13]([O:18][CH2:20][CH:21]3[CH2:22][CH2:23][N:24]([C:27]4[CH:28]=[CH:29][N:30]=[CH:31][CH:32]=4)[CH2:25][CH2:26]3)[CH:14]=2)[CH2:9]1)=[O:7])([CH3:4])([CH3:2])[CH3:3]

Komponenten

7

Edukt 4

HCID 11776TriphenylphosphineHCID 75555Diisopropyl diazene-1,2-dicarboxylateHCID 10060623tert-Butyl 6-hydroxy-3,4-dihydroisoquinoline-2(1H)-carboxylateHCID 11310048(1-(Pyridin-4-YL)piperidin-4-YL)methanol

Produkt 1

HCID 600641786-[1-(Pyridin-4-yl)piperidin-4-ylmethoxy]-1,2,3,4-tetrahydroisoquinoline-2-carboxylic acid tert-butyl esterAusbeute 73,6 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6344DichloromethaneLösungsmittelHCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a solution of 6-hydroxy-1,2,3,4-tetrahydroisoquinoline-2-carboxylic acid tert-Butyl Ester (320 mg) and 4-hydroxymethyl-1-(pyridin-4-yl)piperidine (247 mg) in a mixture of tetrahydrofuran (15 ml) and methylene chloride (5 ml) were successively added triphenylphosphine (370 mg) and diisopropyl azodicarboxylate (0.28 ml), and the mixture was stirred at room temperature for 12 hours. After completion of the reaction, the solvent was evaporated and the obtained residue was purified by silica gel column chromatography (hexane:acetone=3:2-1:1, 1% triethylamine) and dried under reduced pressure to give the title compound (400 mg).

Aufarbeitung

  1. customAfter completion of the reaction
  2. customthe solvent was evaporated
  3. customthe obtained residue was purified by silica gel column chromatography (hexane:acetone=3:2-1:1, 1% triethylamine)
  4. customdried under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-61e28d41480141d5ae6ab6e4ae30d3cf
Quelldatensatz
uspto-grants-2003_05
Patentnummer
US06562828B1

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