2,3-methylenedioxy-9-ethoxy-10-methoxy-1,13-cycloprotoberberine bromide

Base Information

• Chemical Name: 2,3-methylenedioxy-9-ethoxy-10-methoxy-1,13-cycloprotoberberine bromide
• CAS No.: 1404305-71-0
• Molecular Formula: Br*C₂₃H₂₀NO₄
• Molecular Weight: 454.32

Synonyms:2,3-methylenedioxy-9-ethoxy-10-methoxy-1,13-cycloprotoberberine bromide

Chemical Property of 2,3-methylenedioxy-9-ethoxy-10-methoxy-1,13-cycloprotoberberine bromide

Chemical Property:

Purity/Quality:

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Technology Process of 2,3-methylenedioxy-9-ethoxy-10-methoxy-1,13-cycloprotoberberine bromide

There total 1 articles about 2,3-methylenedioxy-9-ethoxy-10-methoxy-1,13-cycloprotoberberine bromide 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:

7,8-dihydroberberine (483-15-8) → 2,3-methylenedioxy-9-ethoxy-10-methoxy-1,13-cycloprotoberberine bromide (1404305-71-0)

Guidance literature:

Multi-step reaction with 4 steps

1: acetonitrile / 5 h / 85 - 95 °C

2: hydrogenchloride / water / 1 h / 20 °C

3: 0.5 h / 195 - 210 °C / 20 - 30 Torr

4: potassium hydroxide / N,N-dimethyl-formamide / 12 h / 60 °C

With hydrogenchloride; potassium hydroxide; In water; N,N-dimethyl-formamide; acetonitrile;

DOI:10.1016/j.ejmech.2013.07.026

Reference yield: 42.0%

2,3-methylenedioxy-9-ethoxy-10-methoxy-1,13-cycloprotoberberine bromide (1404305-71-0) + phenylmagnesium bromide (100-58-3) → 1,2-methylenedioxy-7-phenyl-8-ethoxy-9-methoxycycloberberine bromide

Guidance literature:

2,3-methylenedioxy-9-ethoxy-10-methoxy-1,13-cycloprotoberberine bromide; phenylmagnesium bromide; In tetrahydrofuran; at 0 - 60 ℃; for 3h; Inert atmosphere;

With bromine; acetic acid; at 60 ℃; for 1h;

DOI:10.1016/j.ejmech.2019.02.058

upstream raw materials:

7,8-dihydroberberine

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