Hydrazine hydrate (1:1) → 6-Bromophthalazin-1(2h)-one

HRID 1502709Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1502709
[Br:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[C:7](=[O:11])[NH:6][CH:5]2O.O.[NH2:14]N>O>[Br:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[C:7](=[O:11])[NH:6][N:14]=[CH:5]2

Komponenten

4

Edukt 2

HCID 24654Hydrazine hydrate (1:1)HCID 116155375-Bromo-3-hydroxyisoindolin-1-one

Produkt 1

HCID 115359186-Bromophthalazin-1(2h)-one

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Reaktionsbedingungen

Temperatur
95 °C

Versuchsvorschrift

To a stirred solution of 5-bromo-3-hydroxyisoindoline-1-one (1.0 g, 4.40 mmol) in water, was added hydrazine hydrate (0.45 g, 8.80 mmol) and heated to 95° C. for 5 h. The reaction mixture was cooled to ambient temperature, filtered and washed with diethyl ether and pentane (1:1) to afford the title compound as a white solid that was used in the next step without further purification (0.5 g): ESIMS m/z 225.15 ([M+H]+).

Aufarbeitung

  1. temperatureThe reaction mixture was cooled to ambient temperature
  2. filtrationfiltered
  3. washwashed with diethyl ether and pentane (1:1)

Quellen und Nachweise

ORD-Eintrag
ord-2798d879d6b9437090dd4a923629b71e
Quelldatensatz
uspto-grants-2015_12
Patentnummer
US09210927B2

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