4-Nitroanthranilic acid → 4-Nitro-isatoic anhydride

HRID 1175788Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1175788
[N+:1]([C:4]1[CH:5]=[C:6]([NH2:13])[C:7](=[CH:11][CH:12]=1)[C:8]([OH:10])=[O:9])([O-:3])=[O:2].Cl[C:15](Cl)([O:17]C(=O)OC(Cl)(Cl)Cl)Cl>O1CCCC1>[N+:1]([C:4]1[CH:12]=[CH:11][C:7]2[C:8](=[O:10])[O:9][C:15](=[O:17])[NH:13][C:6]=2[CH:5]=1)([O-:3])=[O:2]

Komponenten

4

Reaktionsbedingungen

Temperatur
45 °C

Versuchsvorschrift

A mixture of 4-nitroanthranilic acid (9.11 g), triphosgene (4.92 g) and tetrahydrofuran (240 ml) was stirred for 10 hours at 45° C. The precipitated solids were collected by filtration, washed with tetrahydrofuran, and then dried to obtain the target product (700 g).

Aufarbeitung

  1. filtrationThe precipitated solids were collected by filtration
  2. washwashed with tetrahydrofuran
  3. customdried

Quellen und Nachweise

ORD-Eintrag
ord-02042def898647ecb57e7d9c13f875cd
Quelldatensatz
uspto-grants-2010_11
Patentnummer
US07842701B2

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