3,4,5-trimethoxy-2-(3,7,8-trimethoxy-5,10-dioxo-5,10-dihydro-chromeno[5,4,3-cde]chromen-2-yloxy)-benzoic acid methyl ester

Base Information

• Chemical Name: 3,4,5-trimethoxy-2-(3,7,8-trimethoxy-5,10-dioxo-5,10-dihydro-chromeno[5,4,3-cde]chromen-2-yloxy)-benzoic acid methyl ester
• CAS No.: 53547-85-6
• Molecular Formula: C₂₈H₂₄O₁₃
• Molecular Weight: 568.491

Synonyms:3,4,5-trimethoxy-2-(3,7,8-trimethoxy-5,10-dioxo-5,10-dihydro-chromeno[5,4,3-cde]chromen-2-yloxy)-benzoic acid methyl ester

Chemical Property of 3,4,5-trimethoxy-2-(3,7,8-trimethoxy-5,10-dioxo-5,10-dihydro-chromeno[5,4,3-cde]chromen-2-yloxy)-benzoic acid methyl ester

Chemical Property:

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Technology Process of 3,4,5-trimethoxy-2-(3,7,8-trimethoxy-5,10-dioxo-5,10-dihydro-chromeno[5,4,3-cde]chromen-2-yloxy)-benzoic acid methyl ester

There total 7 articles about 3,4,5-trimethoxy-2-(3,7,8-trimethoxy-5,10-dioxo-5,10-dihydro-chromeno[5,4,3-cde]chromen-2-yloxy)-benzoic acid methyl ester 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:

diazomethane (186581-53-3,908094-01-9,334-88-3) + nobotanin G → 3,4,5-trimethoxybenzoic acid methyl ester (1916-07-0) + tetramethylellagic acid (2080-25-3) + 3,4,5-trimethoxy-2-(3,7,8-trimethoxy-5,10-dioxo-5,10-dihydro-chromeno[5,4,3-cde]chromen-2-yloxy)-benzoic acid methyl ester (53547-85-6)

Guidance literature:

With sulfuric acid; Yield given. Multistep reaction. Yields of byproduct given; 1.) reflux, 6 h, 2.) AcOEt;

DOI:10.1248/cpb.40.66

Reference yield:

diazomethane (186581-53-3,908094-01-9,334-88-3) + oenothein F → tetramethylellagic acid (2080-25-3) + 3,4,5-trimethoxy-2-(3,7,8-trimethoxy-5,10-dioxo-5,10-dihydro-chromeno[5,4,3-cde]chromen-2-yloxy)-benzoic acid methyl ester (53547-85-6)

Guidance literature:

With sulfuric acid; Yield given. Multistep reaction. Yields of byproduct given; 1.) 100 deg C, 11 h;

DOI:10.1016/0031-9422(95)00267-B

Reference yield:

→ 3,4,5-trimethoxy-2-(3,7,8-trimethoxy-5,10-dioxo-5,10-dihydro-chromeno[5,4,3-cde]chromen-2-yloxy)-benzoic acid methyl ester (53547-85-6)

Guidance literature:

With diazomethane; 1,4-dioxane; diethyl ether;

upstream raw materials:

diazomethane

Euphorbinic acid dilactone

methanol

Lagerstroemin octadecamethylate

Downstream raw materials:

(+/-)-4-(6-carboxy-2,3,4-trimethoxy-phenoxy)-5,6,4',5',6'-pentamethoxy-diphenic acid

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