3-hydroxy-6-methoxy-1-oxo-4-(3,4,5-trimethoxy-phenyl)-isochroman-3-carboxylic acid

Base Information

Chemical Name:3-hydroxy-6-methoxy-1-oxo-4-(3,4,5-trimethoxy-phenyl)-isochroman-3-carboxylic acid
CAS No.:212501-86-5
Molecular Formula:C₂₀H₂₀O₉
Molecular Weight:404.373
Hs Code.:

Synonyms:3-hydroxy-6-methoxy-1-oxo-4-(3,4,5-trimethoxy-phenyl)-isochroman-3-carboxylic acid

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Chemical Property of 3-hydroxy-6-methoxy-1-oxo-4-(3,4,5-trimethoxy-phenyl)-isochroman-3-carboxylic acid

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Technology Process of 3-hydroxy-6-methoxy-1-oxo-4-(3,4,5-trimethoxy-phenyl)-isochroman-3-carboxylic acid

There total 6 articles about 3-hydroxy-6-methoxy-1-oxo-4-(3,4,5-trimethoxy-phenyl)-isochroman-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:

: 212501-25-2
6-methoxy-4-(3,4,5-trimethoxyphenyl)-3-isocoumarincarboxylic acid

: 212501-86-5
3-hydroxy-6-methoxy-1-oxo-4-(3,4,5-trimethoxy-phenyl)-isochroman-3-carboxylic acid

Guidance literature:: With sodium hydroxide; In tetrahydrofuran; methanol; at 20 ℃; for 2h;
DOI:10.1021/jm000558h

Reference yield:

: 86-81-7
3,4,5-trimethoxy-benzaldehyde

: 212501-86-5
3-hydroxy-6-methoxy-1-oxo-4-(3,4,5-trimethoxy-phenyl)-isochroman-3-carboxylic acid

Guidance literature:: Multi-step reaction with 5 steps

1.1: N,N,N',N'-tertamethylethylenediamine; s-BuLi / tetrahydrofuran / 0.5 h / -78 °C

1.2: tetrahydrofuran / 0.5 h / 78 °C

1.3: 69 percent / conc. HCl / dioxane / 2 h / Heating

2.1: 95 percent / aq. KOH; pyridine; KMnO₄ / 5 h / Heating

3.1: K₂CO₃ / dimethylformamide / 20 °C

4.1: 4 N HCl / ethyl acetate / 20 °C

4.2: AcOH / dioxane / 6 h / Heating

5.1: 2 N aq. NaOH / tetrahydrofuran; methanol / 2 h / 20 °C

With pyridine; hydrogenchloride; potassium hydroxide; sodium hydroxide; potassium permanganate; N,N,N,N,-tetramethylethylenediamine; sec.-butyllithium; potassium carbonate; In tetrahydrofuran; methanol; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1021/jm000558h

Reference yield:

: 212501-06-9
5-methoxy-3-(3,4,5-trimethoxyphenyl)phthalide

: 212501-86-5
3-hydroxy-6-methoxy-1-oxo-4-(3,4,5-trimethoxy-phenyl)-isochroman-3-carboxylic acid

Guidance literature:: Multi-step reaction with 4 steps

1.1: 95 percent / aq. KOH; pyridine; KMnO₄ / 5 h / Heating

2.1: K₂CO₃ / dimethylformamide / 20 °C

3.1: 4 N HCl / ethyl acetate / 20 °C

3.2: AcOH / dioxane / 6 h / Heating

4.1: 2 N aq. NaOH / tetrahydrofuran; methanol / 2 h / 20 °C

With pyridine; hydrogenchloride; potassium hydroxide; sodium hydroxide; potassium permanganate; potassium carbonate; In tetrahydrofuran; methanol; ethyl acetate; N,N-dimethyl-formamide;
DOI:10.1021/jm000558h