4-amino-6-phenyl-7-(phenylazo)tetrazolo[1,5-a]thieno[3,2-e]pyrimidin-5(4H)-one

Base Information

Chemical Name:4-amino-6-phenyl-7-(phenylazo)tetrazolo[1,5-a]thieno[3,2-e]pyrimidin-5(4H)-one
CAS No.:1325222-81-8
Molecular Formula:C₁₈H₁₂N₈OS
Molecular Weight:388.412
Hs Code.:

Synonyms:4-amino-6-phenyl-7-(phenylazo)tetrazolo[1,5-a]thieno[3,2-e]pyrimidin-5(4H)-one

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Chemical Property of 4-amino-6-phenyl-7-(phenylazo)tetrazolo[1,5-a]thieno[3,2-e]pyrimidin-5(4H)-one

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Technology Process of 4-amino-6-phenyl-7-(phenylazo)tetrazolo[1,5-a]thieno[3,2-e]pyrimidin-5(4H)-one

There total 6 articles about 4-amino-6-phenyl-7-(phenylazo)tetrazolo[1,5-a]thieno[3,2-e]pyrimidin-5(4H)-one 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: 56.0%

: 1325222-75-0
3-amino-2-hydrazinyl-5-phenyl-6-(phenylazo)thieno[2,3-d]pyrimidin-4(3H)-one

: 1325222-81-8
4-amino-6-phenyl-7-(phenylazo)tetrazolo[1,5-a]thieno[3,2-e]pyrimidin-5(4H)-one

Guidance literature:: With sodium nitrite; In water; acetic acid; at 20 ℃; Cooling with ice;
DOI:10.1515/znb-2011-0606

Reference yield:

: 120456-41-9
ethyl 2-amino-5-(phenyldiazenyl)-4-phenylthiophene-3-carboxylate

: 1325222-81-8
4-amino-6-phenyl-7-(phenylazo)tetrazolo[1,5-a]thieno[3,2-e]pyrimidin-5(4H)-one

Guidance literature:: Multi-step reaction with 5 steps

1.1: potassium carbonate / dichloromethane; water / 20 °C / Cooling with ice

2.1: hydrazine hydrate / dichloromethane / 2 h / 20 °C

2.2: 3 h / Reflux

2.3: 1 h / 20 °C

3.1: sodium ethoxide / ethanol / 0.17 h / Reflux

3.2: 2 h / Reflux

4.1: hydrazine hydrate / ethanol / 20 °C / Reflux

5.1: sodium nitrite / water; acetic acid / 20 °C / Cooling with ice

With sodium ethoxide; potassium carbonate; hydrazine hydrate; sodium nitrite; In ethanol; dichloromethane; water; acetic acid;
DOI:10.1515/znb-2011-0606

Reference yield:

: 1325222-73-8
3-amino-2-(methylthio)-5-phenyl-6-(phenylazo)thieno[2,3-d]pyrimidin-4(3H)-one

: 1325222-81-8
4-amino-6-phenyl-7-(phenylazo)tetrazolo[1,5-a]thieno[3,2-e]pyrimidin-5(4H)-one

Guidance literature:: Multi-step reaction with 2 steps

1: hydrazine hydrate / ethanol / 20 °C / Reflux

2: sodium nitrite / water; acetic acid / 20 °C / Cooling with ice

With hydrazine hydrate; sodium nitrite; In ethanol; water; acetic acid;
DOI:10.1515/znb-2011-0606