2-hydroxy-4-(6-(1-methyl-1H-pyrazol-4-yl)-2-oxo-5-(thiophen-3-yl)-1,2,3,4-tetrahydropyridin-4-yl)benzoic acid

Base Information

Chemical Name:2-hydroxy-4-(6-(1-methyl-1H-pyrazol-4-yl)-2-oxo-5-(thiophen-3-yl)-1,2,3,4-tetrahydropyridin-4-yl)benzoic acid
CAS No.:1356059-98-7
Molecular Formula:C₂₀H₁₇N₃O₄S
Molecular Weight:395.439
Hs Code.:

Synonyms:2-hydroxy-4-(6-(1-methyl-1H-pyrazol-4-yl)-2-oxo-5-(thiophen-3-yl)-1,2,3,4-tetrahydropyridin-4-yl)benzoic acid

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Chemical Property of 2-hydroxy-4-(6-(1-methyl-1H-pyrazol-4-yl)-2-oxo-5-(thiophen-3-yl)-1,2,3,4-tetrahydropyridin-4-yl)benzoic acid

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Technology Process of 2-hydroxy-4-(6-(1-methyl-1H-pyrazol-4-yl)-2-oxo-5-(thiophen-3-yl)-1,2,3,4-tetrahydropyridin-4-yl)benzoic acid

There total 4 articles about 2-hydroxy-4-(6-(1-methyl-1H-pyrazol-4-yl)-2-oxo-5-(thiophen-3-yl)-1,2,3,4-tetrahydropyridin-4-yl)benzoic 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: 8.0%

: 1283118-47-7
1-(1-methyl-1H-pyrazol-4-yl)-2-(thiophen-3-yl)ethanone

: 42137-51-9
4-formyl-2-hydroxy-benzoic acid methyl ester

: 631-61-8,92206-38-7
ammonium acetate

: 1356059-98-7
2-hydroxy-4-(6-(1-methyl-1H-pyrazol-4-yl)-2-oxo-5-(thiophen-3-yl)-1,2,3,4-tetrahydropyridin-4-yl)benzoic acid

Guidance literature:: 1-(1-methyl-1H-pyrazol-4-yl)-2-(thiophen-3-yl)ethanone; 4-formyl-2-hydroxy-benzoic acid methyl ester; ammonium acetate; With cycl-isopropylidene malonate; acetic acid; Reflux; Inert atmosphere;

With water; sodium hydroxide; In methanol; at 40 ℃; for 5h;

With hydrogenchloride; In methanol; water; at 20 ℃; pH=5;

Reference yield:

: 121-33-5,8014-42-4
vanillin

: 1356059-98-7
2-hydroxy-4-(6-(1-methyl-1H-pyrazol-4-yl)-2-oxo-5-(thiophen-3-yl)-1,2,3,4-tetrahydropyridin-4-yl)benzoic acid

Guidance literature:: Multi-step reaction with 4 steps

1.1: triethylamine / dichloromethane / 20 °C

2.1: triethylamine; palladium diacetate; 1,1'-bis-(diphenylphosphino)ferrocene / N,N-dimethyl-formamide / 80 °C / 3750.38 Torr

3.1: aluminum (III) chloride / dichloromethane / 0.05 h / Reflux

4.1: cycl-isopropylidene malonate; acetic acid / Reflux; Inert atmosphere

4.2: 5 h / 40 °C

4.3: 20 °C / pH 5

With aluminum (III) chloride; 1,1'-bis-(diphenylphosphino)ferrocene; cycl-isopropylidene malonate; palladium diacetate; acetic acid; triethylamine; In dichloromethane; N,N-dimethyl-formamide;

Reference yield:

: 194018-68-3
vanillin triflate

: 1356059-98-7
2-hydroxy-4-(6-(1-methyl-1H-pyrazol-4-yl)-2-oxo-5-(thiophen-3-yl)-1,2,3,4-tetrahydropyridin-4-yl)benzoic acid

Guidance literature:: Multi-step reaction with 3 steps

1.1: triethylamine; palladium diacetate; 1,1'-bis-(diphenylphosphino)ferrocene / N,N-dimethyl-formamide / 80 °C / 3750.38 Torr

2.1: aluminum (III) chloride / dichloromethane / 0.05 h / Reflux

3.1: cycl-isopropylidene malonate; acetic acid / Reflux; Inert atmosphere

3.2: 5 h / 40 °C

3.3: 20 °C / pH 5

With aluminum (III) chloride; 1,1'-bis-(diphenylphosphino)ferrocene; cycl-isopropylidene malonate; palladium diacetate; acetic acid; triethylamine; In dichloromethane; N,N-dimethyl-formamide;