3-(2,4-dihydroxyphenyl)-4-(4-methoxyphenyl)-1H-pyrazole-5-carboxylic acid

Base Information

Chemical Name:3-(2,4-dihydroxyphenyl)-4-(4-methoxyphenyl)-1H-pyrazole-5-carboxylic acid
CAS No.:859850-37-6
Molecular Formula:C₁₇H₁₄N₂O₅
Molecular Weight:326.309
Hs Code.:

Synonyms:3-(2,4-dihydroxyphenyl)-4-(4-methoxyphenyl)-1H-pyrazole-5-carboxylic acid

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Chemical Property of 3-(2,4-dihydroxyphenyl)-4-(4-methoxyphenyl)-1H-pyrazole-5-carboxylic acid

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Technology Process of 3-(2,4-dihydroxyphenyl)-4-(4-methoxyphenyl)-1H-pyrazole-5-carboxylic acid

There total 1 articles about 3-(2,4-dihydroxyphenyl)-4-(4-methoxyphenyl)-1H-pyrazole-5-carboxylic acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

: 853925-87-8
7-hydroxy-3-(4-methoxyphenyl)-4-oxo-4H-chromene-2-carboxylic acid

: 859850-37-6
3-(2,4-dihydroxyphenyl)-4-(4-methoxyphenyl)-1H-pyrazole-5-carboxylic acid

Guidance literature:: With sodium hydrogencarbonate; hydrazine hydrate; In ethanol; at 70 ℃; for 18h;
DOI:10.1021/jm050355z

Reference yield:

: 859850-37-6
3-(2,4-dihydroxyphenyl)-4-(4-methoxyphenyl)-1H-pyrazole-5-carboxylic acid

: 75-04-7,85404-22-4
ethylamine

: N-ethyl-3-(2,4-dihydroxyphenyl)-4-(4-methoxyphenyl)-1H-pyrazole-5-carboxamide

Guidance literature:: With 4-methyl-morpholine; 1-hydroxybenzotriazol-hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In methanol; dichloromethane; at 0 - 20 ℃;
DOI:10.1021/jm050355z

Reference yield:

: 859850-37-6
3-(2,4-dihydroxyphenyl)-4-(4-methoxyphenyl)-1H-pyrazole-5-carboxylic acid

: 5-(5-bromo-2,4-dihydroxy-phenyl)-4-(4-methoxy-phenyl)-2H-pyrazole-3-carboxylic acid ethylamide

Guidance literature:: Multi-step reaction with 2 steps

1: 156 mg / 1-hydroxybenzotriazole hydrate; N-methylmorpholine; N-ethyl-N'-(3-dimethylaminopropyl)carbodiimide hydrochloride / CH₂Cl₂; methanol / 0 - 20 °C

2: benzyltrimethylammonium tribromide / acetonitrile; dimethylformamide / 1.5 h / 20 °C

With 4-methyl-morpholine; benzyltrimethylammonium tribromide; 1-hydroxybenzotriazol-hydrate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In methanol; dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1021/jm050355z