ethyl 2-[3-amino-7,9-dimethyl-4-oxo-pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-2-yl]thio-2-[N-(4-methylphenyl)hydrazono]-ethanoate

Base Information

Chemical Name:ethyl 2-[3-amino-7,9-dimethyl-4-oxo-pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-2-yl]thio-2-[N-(4-methylphenyl)hydrazono]-ethanoate
CAS No.:911832-75-2
Molecular Formula:C₂₂H₂₂N₆O₃S₂
Molecular Weight:482.587
Hs Code.:

Synonyms:ethyl 2-[3-amino-7,9-dimethyl-4-oxo-pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-2-yl]thio-2-[N-(4-methylphenyl)hydrazono]-ethanoate

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Chemical Property of ethyl 2-[3-amino-7,9-dimethyl-4-oxo-pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-2-yl]thio-2-[N-(4-methylphenyl)hydrazono]-ethanoate

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Technology Process of ethyl 2-[3-amino-7,9-dimethyl-4-oxo-pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-2-yl]thio-2-[N-(4-methylphenyl)hydrazono]-ethanoate

There total 3 articles about ethyl 2-[3-amino-7,9-dimethyl-4-oxo-pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-2-yl]thio-2-[N-(4-methylphenyl)hydrazono]-ethanoate 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: 78.0%

: 911832-50-3
3-amino-2,3-dihydro-7,9-dimethyl-2-thioxo-pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4(1H)-one

: 27171-88-6,132815-69-1
ethyl 2-chloro-(4-tolylhydrazono)acetate

: 911832-75-2
ethyl 2-[3-amino-7,9-dimethyl-4-oxo-pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-2-yl]thio-2-[N-(4-methylphenyl)hydrazono]-ethanoate

Guidance literature:: With sodium ethanolate; In ethanol; at 20 ℃; for 10h;
DOI:10.1002/jhet.5570430419

Reference yield:

: 911832-49-0
C₁₄H₁₆N₂O₂S₃

: 911832-75-2
ethyl 2-[3-amino-7,9-dimethyl-4-oxo-pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-2-yl]thio-2-[N-(4-methylphenyl)hydrazono]-ethanoate

Guidance literature:: Multi-step reaction with 2 steps

1: 3.9 g / hydrazine hydrate / 3 h / 20 °C

2: 78 percent / sodium ethoxide / ethanol / 10 h / 20 °C

With sodium ethanolate; hydrazine hydrate; In ethanol;
DOI:10.1002/jhet.5570430419

Reference yield:

: 52505-56-3
ethyl 3-amino-4,6-dimethylthieno[2,3-b]pyridine-2-carboxylate

: 911832-75-2
ethyl 2-[3-amino-7,9-dimethyl-4-oxo-pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-2-yl]thio-2-[N-(4-methylphenyl)hydrazono]-ethanoate

Guidance literature:: Multi-step reaction with 4 steps

1: potassium carbonate / dimethylformamide / 24 h

2: dimethylformamide / 12 h / 20 °C

3: 3.9 g / hydrazine hydrate / 3 h / 20 °C

4: 78 percent / sodium ethoxide / ethanol / 10 h / 20 °C

With sodium ethanolate; potassium carbonate; hydrazine hydrate; In ethanol; N,N-dimethyl-formamide;
DOI:10.1002/jhet.5570430419