3-bromo-2-hydroxy-2,4-dimethoxy-5-methylphenylacetic acid

Base Information

Chemical Name:3-bromo-2-hydroxy-2,4-dimethoxy-5-methylphenylacetic acid
CAS No.:93681-03-9
Molecular Formula:C₁₁H₁₃BrO₅
Molecular Weight:305.125
Hs Code.:

Synonyms:3-bromo-2-hydroxy-2,4-dimethoxy-5-methylphenylacetic acid

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Chemical Property of 3-bromo-2-hydroxy-2,4-dimethoxy-5-methylphenylacetic acid

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Technology Process of 3-bromo-2-hydroxy-2,4-dimethoxy-5-methylphenylacetic acid

There total 8 articles about 3-bromo-2-hydroxy-2,4-dimethoxy-5-methylphenylacetic 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: 61.0%

: 93681-02-8
(3-Bromo-2-isopropoxy-4,6-dimethoxy-5-methyl-phenyl)-acetic acid

: 93681-03-9
3-bromo-2-hydroxy-2,4-dimethoxy-5-methylphenylacetic acid

Guidance literature:: With boron trichloride; In dichloromethane; at -10 ℃; for 0.5h;

Reference yield:

: 22080-97-3
3,5-dimethoxy-4-methylphenol

: 93681-03-9
3-bromo-2-hydroxy-2,4-dimethoxy-5-methylphenylacetic acid

Guidance literature:: Multi-step reaction with 6 steps

1: 81 percent / potassium carbonate / dimethylformamide / 72 h / 50 °C

2: 98 percent / hydrogen chloride (gas) / 1,2-dichloro-ethane / 2 h / 0 °C

3: 98 percent / dimethylformamide / 20.5 h / Ambient temperature

4: 68 percent / potassium hydroxide, water / methanol / 192 h / Heating

5: bromine / CH₂Cl₂ / 0.5 h

6: 61 percent / boron trichloride / CH₂Cl₂ / 0.5 h / -10 °C

With hydrogenchloride; potassium hydroxide; water; bromine; boron trichloride; potassium carbonate; In methanol; dichloromethane; 1,2-dichloro-ethane; N,N-dimethyl-formamide;

Reference yield:

: 500-99-2
3,5-dimethoxyphenol

: 93681-03-9
3-bromo-2-hydroxy-2,4-dimethoxy-5-methylphenylacetic acid

Guidance literature:: Multi-step reaction with 8 steps

1: 1.) phosphoryl chloride, 2.) water / 1.) room temperature, 18 h, 2.) 16 h

2: 79 percent / zinc amalgam, hydrochloric acid / acetic acid / 2 h / Heating

3: 81 percent / potassium carbonate / dimethylformamide / 72 h / 50 °C

4: 98 percent / hydrogen chloride (gas) / 1,2-dichloro-ethane / 2 h / 0 °C

5: 98 percent / dimethylformamide / 20.5 h / Ambient temperature

6: 68 percent / potassium hydroxide, water / methanol / 192 h / Heating

7: bromine / CH₂Cl₂ / 0.5 h

8: 61 percent / boron trichloride / CH₂Cl₂ / 0.5 h / -10 °C

With hydrogenchloride; potassium hydroxide; amalgamated zinc; water; bromine; boron trichloride; potassium carbonate; trichlorophosphate; In methanol; dichloromethane; acetic acid; 1,2-dichloro-ethane; N,N-dimethyl-formamide;