4-Oxo-2-[4-(3,4,5-trimethoxy-benzoylamino)-phenyl]-4H-chromene-3-carboxylic acid methyl ester

Base Information

Chemical Name:4-Oxo-2-[4-(3,4,5-trimethoxy-benzoylamino)-phenyl]-4H-chromene-3-carboxylic acid methyl ester
CAS No.:132018-27-0
Molecular Formula:C₂₇H₂₃NO₈
Molecular Weight:489.482
Hs Code.:

Synonyms:4-Oxo-2-[4-(3,4,5-trimethoxy-benzoylamino)-phenyl]-4H-chromene-3-carboxylic acid methyl ester

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Chemical Property of 4-Oxo-2-[4-(3,4,5-trimethoxy-benzoylamino)-phenyl]-4H-chromene-3-carboxylic acid methyl ester

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Technology Process of 4-Oxo-2-[4-(3,4,5-trimethoxy-benzoylamino)-phenyl]-4H-chromene-3-carboxylic acid methyl ester

There total 4 articles about 4-Oxo-2-[4-(3,4,5-trimethoxy-benzoylamino)-phenyl]-4H-chromene-3-carboxylic 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: 79.0%

: 4521-61-3
3,4,5-Trimethoxybenzoyl chloride

: 132018-26-9
2-(4-aminophenyl)-3-(methoxycarbonyl)-4H-benzopyran-4-one

: 132018-27-0
4-Oxo-2-[4-(3,4,5-trimethoxy-benzoylamino)-phenyl]-4H-chromene-3-carboxylic acid methyl ester

Guidance literature:: With pyridine; In chloroform; for 4h; Ambient temperature;
DOI:10.1021/jm00106a047

Reference yield:

: 20349-86-4
Methyl 3-(2-hydroxy-phenyl)-3-oxopropanoate

: 132018-27-0
4-Oxo-2-[4-(3,4,5-trimethoxy-benzoylamino)-phenyl]-4H-chromene-3-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) Mg, CCl₄ / 1.) ethanol, 50 to 55 deg C, 5 to 6 h, 2.) benzene, reflux, 8 h

2: 84 percent / H₂ / 5percent Pd/C / dioxane / 4 h / 2068.6 Torr

3: 79 percent / pyridine / CHCl₃ / 4 h / Ambient temperature

With pyridine; tetrachloromethane; hydrogen; magnesium; palladium on activated charcoal; In 1,4-dioxane; chloroform;
DOI:10.1021/jm00106a047

Reference yield:

: 118-93-4,104809-67-8
o-hydroxyacetophenone

: 132018-27-0
4-Oxo-2-[4-(3,4,5-trimethoxy-benzoylamino)-phenyl]-4H-chromene-3-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 1.) lithium bis(trimethylsilyl)amide / 1.) a.) THF, -78 deg C, b.) -10 deg C, 2 h, 2.) a.) from -78 deg C to 25 deg C, 3-4 h, b.) RT, 4 h

2: 1.) Mg, CCl₄ / 1.) ethanol, 50 to 55 deg C, 5 to 6 h, 2.) benzene, reflux, 8 h

3: 84 percent / H₂ / 5percent Pd/C / dioxane / 4 h / 2068.6 Torr

4: 79 percent / pyridine / CHCl₃ / 4 h / Ambient temperature

With pyridine; tetrachloromethane; hydrogen; magnesium; lithium hexamethyldisilazane; palladium on activated charcoal; In 1,4-dioxane; chloroform;
DOI:10.1021/jm00106a047