3-{2-[5-bromo-2-(2,4-difluorobenzyloxy)phenyl]-5-methyl-pyrrol-1-yl}-benzoic acid

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Chemical Name:3-{2-[5-bromo-2-(2,4-difluorobenzyloxy)phenyl]-5-methyl-pyrrol-1-yl}-benzoic acid
CAS No.:632621-64-8
Molecular Formula:C₂₅H₁₈BrF₂NO₃
Molecular Weight:498.324
Hs Code.:

Synonyms:3-{2-[5-bromo-2-(2,4-difluorobenzyloxy)phenyl]-5-methyl-pyrrol-1-yl}-benzoic acid

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Chemical Property of 3-{2-[5-bromo-2-(2,4-difluorobenzyloxy)phenyl]-5-methyl-pyrrol-1-yl}-benzoic acid

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Technology Process of 3-{2-[5-bromo-2-(2,4-difluorobenzyloxy)phenyl]-5-methyl-pyrrol-1-yl}-benzoic acid

There total 9 articles about 3-{2-[5-bromo-2-(2,4-difluorobenzyloxy)phenyl]-5-methyl-pyrrol-1-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: 90.0%

: 632625-54-8
3-{2-[5-bromo-2-(2,4-difluorobenzyloxy)phenyl]-5-methyl-pyrrol-1-yl}-benzoic acid ethyl ester

: 632621-64-8
3-{2-[5-bromo-2-(2,4-difluorobenzyloxy)phenyl]-5-methyl-pyrrol-1-yl}-benzoic acid

Guidance literature:: With sodium hydroxide; water; In ethanol; at 100 ℃; for 2h;

Reference yield:

: 1761-61-1
5-bromosalicyclaldehyde

: 632621-64-8
3-{2-[5-bromo-2-(2,4-difluorobenzyloxy)phenyl]-5-methyl-pyrrol-1-yl}-benzoic acid

Guidance literature:: Multi-step reaction with 4 steps

1: K₂CO₃ / dimethylformamide / 60 °C

2: TEA; 3-ethyl-5-(2-hydroxyethyl)-4-methylthiazolium bromide / ethanol / Heating

3: p-TSA / toluene / Heating

4: aq. NaOH / ethanol / Heating

With sodium hydroxide; TEA; 3-ethyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazolium bromide; potassium carbonate; toluene-4-sulfonic acid; In ethanol; N,N-dimethyl-formamide; toluene; 3: Paal-Knorr condensation;
DOI:10.1016/j.bmcl.2006.12.021

Reference yield:

: 632625-93-5
5-bromo-2-(2,4-difluorobenzyloxy)benzaldehyde

: 632621-64-8
3-{2-[5-bromo-2-(2,4-difluorobenzyloxy)phenyl]-5-methyl-pyrrol-1-yl}-benzoic acid

Guidance literature:: Multi-step reaction with 3 steps

1: TEA; 3-ethyl-5-(2-hydroxyethyl)-4-methylthiazolium bromide / ethanol / Heating

2: p-TSA / toluene / Heating

3: aq. NaOH / ethanol / Heating

With sodium hydroxide; TEA; 3-ethyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazolium bromide; toluene-4-sulfonic acid; In ethanol; toluene; 2: Paal-Knorr condensation;
DOI:10.1016/j.bmcl.2006.12.021