ethyl 2-(diethylaminomethyl)-4-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydrothieno[2,3-b:4,5-c']dipyridine-3-carboxylate

Base Information

Chemical Name:ethyl 2-(diethylaminomethyl)-4-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydrothieno[2,3-b:4,5-c']dipyridine-3-carboxylate
CAS No.:199102-02-8
Molecular Formula:C₂₆H₃₃N₃O₄S
Molecular Weight:483.632
Hs Code.:

Synonyms:ethyl 2-(diethylaminomethyl)-4-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydrothieno[2,3-b:4,5-c']dipyridine-3-carboxylate

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Chemical Property of ethyl 2-(diethylaminomethyl)-4-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydrothieno[2,3-b:4,5-c']dipyridine-3-carboxylate

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Technology Process of ethyl 2-(diethylaminomethyl)-4-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydrothieno[2,3-b:4,5-c']dipyridine-3-carboxylate

There total 6 articles about ethyl 2-(diethylaminomethyl)-4-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydrothieno[2,3-b:4,5-c']dipyridine-3-carboxylate 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: 83.0%

: 199102-01-7
ethyl 6-(4-chlorobenzoyl)-2-diethylaminomethyl-4-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydrothieno[2,3-b:4,5-c']dipyridine-3-carboxylate

: 199102-02-8
ethyl 2-(diethylaminomethyl)-4-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydrothieno[2,3-b:4,5-c']dipyridine-3-carboxylate

Guidance literature:: With potassium hydroxide; In ethanol; for 5h; Heating;
DOI:10.1248/cpb.47.993

Reference yield:

: 638-07-3
ethyl (2-chloroaceto)acetate

: 199102-02-8
ethyl 2-(diethylaminomethyl)-4-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydrothieno[2,3-b:4,5-c']dipyridine-3-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1: 57 percent / conc. H₂SO₄; AcOH / 100 °C

2: 85 percent / CH₂Cl₂ / Heating

3: 83 percent / aq. KOH / ethanol / 5 h / Heating

With potassium hydroxide; sulfuric acid; acetic acid; In ethanol; dichloromethane; 1: Friedlaender reaction / 2: Substitution / 3: Hydrolysis;
DOI:10.1248/cpb.47.993

Reference yield:

: 4640-69-1
ω-cyano-3,4-dimethoxyacetophenone

: 199102-02-8
ethyl 2-(diethylaminomethyl)-4-(3,4-dimethoxyphenyl)-5,6,7,8-tetrahydrothieno[2,3-b:4,5-c']dipyridine-3-carboxylate

Guidance literature:: Multi-step reaction with 4 steps

1: 16 percent / S; morpholine / ethanol / Heating

2: 57 percent / conc. H₂SO₄; AcOH / 100 °C

3: 85 percent / CH₂Cl₂ / Heating

4: 83 percent / aq. KOH / ethanol / 5 h / Heating

With morpholine; potassium hydroxide; sulfuric acid; sulfur; acetic acid; In ethanol; dichloromethane; 1: Gewald reaction / 2: Friedlaender reaction / 3: Substitution / 4: Hydrolysis;
DOI:10.1248/cpb.47.993