Triethylamine → 6-Methoxy-3,4-dihydro-2H-1-benzopyran-4-ol

HRID 65004Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 65004
[CH3:1][O:2][C:3]1[CH:4]=[CH:5][C:6]2[O:11][CH:10]=[CH:9][C:8](=[O:12])[C:7]=2[CH:13]=1.C(N(CC)CC)C>[Pd].C(O)C>[CH3:1][O:2][C:3]1[CH:4]=[CH:5][C:6]2[O:11][CH2:10][CH2:9][CH:8]([OH:12])[C:7]=2[CH:13]=1

Komponenten

5

Versuchsvorschrift

A solution of 6-methoxy-4-benzopyranone (31.6 g), triethylamine (4.9 ml) and 10% palladium on carbon (3.16 g) in absolute ethanol (1.7 l) is stirred under an atmosphere of hydrogen for 19 hours. The reaction mixture is filtered and evaporated in vacuo yielding the desired hydrogenated product as a pale yellow liquid.

Aufarbeitung

  1. filtrationThe reaction mixture is filtered
  2. customevaporated in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-0b193876233442589f977a0b7828985f
Quelldatensatz
uspto-grants-1986_09
Patentnummer
US04612309

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