[1-butyl-6-(4-methoxy-phenyl)-5-methyl-2,4-dioxo-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-yl]-acetic acid ethyl ester

Base Information

Chemical Name:[1-butyl-6-(4-methoxy-phenyl)-5-methyl-2,4-dioxo-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-yl]-acetic acid ethyl ester
CAS No.:165807-69-2
Molecular Formula:C₂₂H₂₆N₂O₅S
Molecular Weight:430.525
Hs Code.:

[1-butyl-6-(4-methoxy-phenyl)-5-methyl-2,4-dioxo-1,4-dihydro-2<i>H</i>-thieno[2,3-<i>d</i>]pyrimidin-3-yl]-acetic acid ethyl ester

Synonyms:[1-butyl-6-(4-methoxy-phenyl)-5-methyl-2,4-dioxo-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-yl]-acetic acid ethyl ester

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Chemical Property of [1-butyl-6-(4-methoxy-phenyl)-5-methyl-2,4-dioxo-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-yl]-acetic acid ethyl ester

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Technology Process of [1-butyl-6-(4-methoxy-phenyl)-5-methyl-2,4-dioxo-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-yl]-acetic acid ethyl ester

There total 4 articles about [1-butyl-6-(4-methoxy-phenyl)-5-methyl-2,4-dioxo-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-yl]-acetic acid ethyl 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: 81.0%

: 165807-46-5
ethyl 6-(4-methoxyphenyl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno<2,3-d>pyrimidine-3-acetate

: 165807-69-2
[1-butyl-6-(4-methoxy-phenyl)-5-methyl-2,4-dioxo-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-yl]-acetic acid ethyl ester

Guidance literature:: With potassium carbonate; In N,N-dimethyl-formamide; for 15h; Ambient temperature;
DOI:10.1248/cpb.46.1724

Reference yield:

: 122-84-9
4-methoxybenzyl methyl ketone

: 165807-69-2
[1-butyl-6-(4-methoxy-phenyl)-5-methyl-2,4-dioxo-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-yl]-acetic acid ethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: NH₄OAc, AcOH / benzene / 24 h / Heating

2: S, Et₂NH / ethanol / 2 h / 60 °C

3: 1.) pyridine, 2.) NaOEt / 1.) 45 deg C, 3 h, 2.) EtOH, RT, 1.5 h

4: 81 percent / K₂CO₃ / dimethylformamide / 15 h / Ambient temperature

With pyridine; ammonium acetate; sodium ethanolate; potassium carbonate; acetic acid; diethylamine; In ethanol; N,N-dimethyl-formamide; benzene;
DOI:10.1248/cpb.46.1724

Reference yield:

: 165809-38-1
2-amino-4-methyl-5-(4-methoxyphenyl)thiophene-3-carboxylic acid ethyl ester

: 165807-69-2
[1-butyl-6-(4-methoxy-phenyl)-5-methyl-2,4-dioxo-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-yl]-acetic acid ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) pyridine, 2.) NaOEt / 1.) 45 deg C, 3 h, 2.) EtOH, RT, 1.5 h

2: 81 percent / K₂CO₃ / dimethylformamide / 15 h / Ambient temperature

With pyridine; sodium ethanolate; potassium carbonate; In N,N-dimethyl-formamide;
DOI:10.1248/cpb.46.1724