p-Toluenesulfonic acid monohydrate → methyl 4-[(2-{1-[5-(3,4-dichlorophenyl)-4-hydroxy-1-methyl-1H-pyrazol-3-yl]ethylidene}hydrazino)carbonyl]-2-nitrobenzoate

Reaction equation

[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2[N:13]([CH3:14])[N:12]=[C:11]([C:15](=O)[CH3:16])[C:10]=2[OH:18])[CH:5]=[CH:6][C:7]=1[Cl:8].[N+:19]([C:22]1[CH:31]=[C:30]([C:32]([NH:34][NH2:35])=[O:33])[CH:29]=[CH:28][C:23]=1[C:24]([O:26][CH3:27])=[O:25])([O-:21])=[O:20].O.S(C1C=CC(C)=CC=1)(O)(=O)=O>>[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2[N:13]([CH3:14])[N:12]=[C:11]([C:15](=[N:35][NH:34][C:32]([C:30]3[CH:29]=[CH:28][C:23]([C:24]([O:26][CH3:27])=[O:25])=[C:22]([N+:19]([O-:21])=[O:20])[CH:31]=3)=[O:33])[CH3:16])[C:10]=2[OH:18])[CH:5]=[CH:6][C:7]=1[Cl:8]

Participants

Reactant 3

HCID 521998p-Toluenesulfonic acid monohydrate

HCID 602067801-[5-(3,4-dichlorophenyl)-4-hydroxy-1-methyl-1H-pyrazol-3-yl]ethanone

HCID 669863564-Methoxycarbonyl-3-nitrobenzhydrazide

Product 1

HCID 72360099methyl 4-[(2-{1-[5-(3,4-dichlorophenyl)-4-hydroxy-1-methyl-1H-pyrazol-3-yl]ethylidene}hydrazino)carbonyl]-2-nitrobenzoateYield 87.8%

Procedure

From 1-[5-(3,4-dichlorophenyl)-4-hydroxy-1-methyl-1H-pyrazol-3-yl]ethanone (0.70 mmol, 200 mg) synthesized in Synthetic Example 1, methyl 2-nitro-4-hydrazinocarbonylbenzoate (0.70 mmol, 167.8 mg) of Reference Synthetic Example 40 and tosylic acid monohydrate (36.2 mg, 0.21 mmol), 311.1 mg of the desired product was obtained in the same manner as in Synthetic Example 58 as a yellow solid (yield 88%).