p-Toluenesulfonic acid monohydrate → Methyl 5-[(2-{1-[5-(3,4-dichlorophenyl)-4-hydroxy-3-thienyl]ethylidene}hydrazino)carbonyl]-2-thiophenecarboxylate

HRID 1881617Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1881617
[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2[S:10][CH:11]=[C:12]([C:15]([CH3:17])=O)[C:13]=2[OH:14])[CH:5]=[CH:6][C:7]=1[Cl:8].[NH:18]([C:20]([C:22]1[S:26][C:25]([C:27]([O:29][CH3:30])=[O:28])=[CH:24][CH:23]=1)=[O:21])[NH2:19].O.S(C1C=CC(C)=CC=1)(O)(=O)=O>>[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2[S:10][CH:11]=[C:12]([C:15](=[N:19][NH:18][C:20]([C:22]3[S:26][C:25]([C:27]([O:29][CH3:30])=[O:28])=[CH:24][CH:23]=3)=[O:21])[CH3:17])[C:13]=2[OH:14])[CH:5]=[CH:6][C:7]=1[Cl:8]

Komponenten

4

Edukt 3

HCID 521998p-Toluenesulfonic acid monohydrateHCID 148719615-Methoxycarbonyl-2-thiophenecarboxylic acid hydrazideHCID 442072882-(3,4-Dichlorophenyl)-3-hydroxy-4-(methylcarbonyl)thiophene

Produkt 1

HCID 72359944Methyl 5-[(2-{1-[5-(3,4-dichlorophenyl)-4-hydroxy-3-thienyl]ethylidene}hydrazino)carbonyl]-2-thiophenecarboxylateAusbeute 86,5 %

Versuchsvorschrift

From 2-(3,4-dichlorophenyl)-3-hydroxy-4-methylcarbonylthiophene (57.4 mg, 0.2 mmol), methyl 5-hydrazinocarbonyl-2-thiophenecarboxylate (40.0 mg, 0.2 mmol) and tosylic acid monohydrate (11.4 mg, 0.06 mmol), 81.2 mg of the desired product was obtained in the same manner as in Synthetic Example 65 as a pale yellow solid (yield 87%).

Quellen und Nachweise

ORD-Eintrag
ord-86f23161728a4a0eb5f3ac8b3dc251d5
Quelldatensatz
uspto-grants-2012_11
Patentnummer
US08318796B2

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