1,3-Dibromo-5,5-dimethylhydantoin → 2-Bromo-3,4,5-trimethoxybenzoic acid

Reaktionsgleichung

[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:9]=[C:10]([O:14][CH3:15])[C:11]=1[O:12][CH3:13])[C:6]([OH:8])=[O:7].CC1(C)N([Br:24])C(=O)N(Br)C1=O>>[Br:24][C:9]1[C:10]([O:14][CH3:15])=[C:11]([O:12][CH3:13])[C:3]([O:2][CH3:1])=[CH:4][C:5]=1[C:6]([OH:8])=[O:7]

Komponenten

Edukt 2

HCID 64791,3-Dibromo-5,5-dimethylhydantoin

HCID 83573,4,5-Trimethoxybenzoic Acid

Produkt 1

HCID 3130972-Bromo-3,4,5-trimethoxybenzoic acid

Versuchsvorschrift

Using the procedure described herein above in Example 1, Method E, 3,4,5-trimethoxybenzoic acid was brominated with DBDMH to provide the following results (assay yields) after reacting for 25 hours at 20°-25° C.:

Aufarbeitung

customto provide the
customfollowing results
custom(assay yields)

Quellen und Nachweise

ORD-Eintrag: ord-4d1ae81964184c9cac35555f802dc7dc
Quelldatensatz: uspto-grants-1993_09
DOI: 10.6084/m9.figshare.5104873.v1
Patentnummer: US05248817

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