5-[3-(4-fluoro-phenyl)-5-hydroxymethyl-isoxazol-4-ylmethoxy]-2-methyl-2H-pyrazole-3-carboxylic acid

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Chemical Name:5-[3-(4-fluoro-phenyl)-5-hydroxymethyl-isoxazol-4-ylmethoxy]-2-methyl-2H-pyrazole-3-carboxylic acid
CAS No.:1254966-33-0
Molecular Formula:C₁₆H₁₄FN₃O₅
Molecular Weight:347.303
Hs Code.:

Synonyms:5-[3-(4-fluoro-phenyl)-5-hydroxymethyl-isoxazol-4-ylmethoxy]-2-methyl-2H-pyrazole-3-carboxylic acid

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Chemical Property of 5-[3-(4-fluoro-phenyl)-5-hydroxymethyl-isoxazol-4-ylmethoxy]-2-methyl-2H-pyrazole-3-carboxylic acid

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Technology Process of 5-[3-(4-fluoro-phenyl)-5-hydroxymethyl-isoxazol-4-ylmethoxy]-2-methyl-2H-pyrazole-3-carboxylic acid

There total 6 articles about 5-[3-(4-fluoro-phenyl)-5-hydroxymethyl-isoxazol-4-ylmethoxy]-2-methyl-2H-pyrazole-3-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: 92.0%

: 1254966-32-9
5-[3-(4-fluoro-phenyl)-5-hydroxymethyl-isoxazol-4-ylmethoxy]-2-methyl-2H-pyrazole-3-carboxylic acid methyl ester

: 1254966-33-0
5-[3-(4-fluoro-phenyl)-5-hydroxymethyl-isoxazol-4-ylmethoxy]-2-methyl-2H-pyrazole-3-carboxylic acid

Guidance literature:: 5-[3-(4-fluoro-phenyl)-5-hydroxymethyl-isoxazol-4-ylmethoxy]-2-methyl-2H-pyrazole-3-carboxylic acid methyl ester; With water; lithium hydroxide; In tetrahydrofuran; methanol; at 20 ℃; for 2h;

With hydrogenchloride; In tetrahydrofuran; methanol; water;

Reference yield:

: 954230-39-8
3-(4-fluoro-phenyl)-5-methyl-isoxazole-4-carboxylic acid ethyl ester

: 1254966-33-0
5-[3-(4-fluoro-phenyl)-5-hydroxymethyl-isoxazol-4-ylmethoxy]-2-methyl-2H-pyrazole-3-carboxylic acid

Guidance literature:: Multi-step reaction with 6 steps

1.1: sodium ethanolate / ethanol / 1 h / Reflux

2.1: chloroformic acid ethyl ester; triethylamine / tetrahydrofuran / 20 °C

2.2: 20 °C

3.1: triphenylphosphine; diethylazodicarboxylate / tetrahydrofuran / 5 - 20 °C / Inert atmosphere

4.1: sodium periodate; osmium(VIII) oxide; N-benzyl-N,N,N-triethylammonium chloride; water / 1,4-dioxane / 0.42 h / 120 °C / Microwave irradiation

5.1: methanol; sodium tetrahydroborate / 1 h / 20 °C

6.1: water; lithium hydroxide / tetrahydrofuran; methanol / 2 h / 20 °C

With methanol; sodium tetrahydroborate; sodium periodate; osmium(VIII) oxide; N-benzyl-N,N,N-triethylammonium chloride; water; sodium ethanolate; chloroformic acid ethyl ester; triethylamine; triphenylphosphine; lithium hydroxide; diethylazodicarboxylate; In tetrahydrofuran; 1,4-dioxane; methanol; ethanol;

Reference yield:

: 52867-42-2
5-hydroxy-2-methyl-2H-pyrazole-3-carboxylic acid methyl ester

: 1254966-33-0
5-[3-(4-fluoro-phenyl)-5-hydroxymethyl-isoxazol-4-ylmethoxy]-2-methyl-2H-pyrazole-3-carboxylic acid

Guidance literature:: Multi-step reaction with 4 steps

1: triphenylphosphine; diethylazodicarboxylate / tetrahydrofuran / 5 - 20 °C / Inert atmosphere

2: sodium periodate; osmium(VIII) oxide; N-benzyl-N,N,N-triethylammonium chloride; water / 1,4-dioxane / 0.42 h / 120 °C / Microwave irradiation

3: methanol; sodium tetrahydroborate / 1 h / 20 °C

4: water; lithium hydroxide / tetrahydrofuran; methanol / 2 h / 20 °C

With methanol; sodium tetrahydroborate; sodium periodate; osmium(VIII) oxide; N-benzyl-N,N,N-triethylammonium chloride; water; triphenylphosphine; lithium hydroxide; diethylazodicarboxylate; In tetrahydrofuran; 1,4-dioxane; methanol;