5-benzyl-3-methyl-4-oxo-4,5-dihydrothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidine-2-carboxamide

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Chemical Name:5-benzyl-3-methyl-4-oxo-4,5-dihydrothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidine-2-carboxamide
CAS No.:1400635-25-7
Molecular Formula:C₁₆H₁₃N₅O₂S
Molecular Weight:339.378
Hs Code.:

Synonyms:5-benzyl-3-methyl-4-oxo-4,5-dihydrothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidine-2-carboxamide

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Chemical Property of 5-benzyl-3-methyl-4-oxo-4,5-dihydrothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidine-2-carboxamide

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Technology Process of 5-benzyl-3-methyl-4-oxo-4,5-dihydrothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidine-2-carboxamide

There total 4 articles about 5-benzyl-3-methyl-4-oxo-4,5-dihydrothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidine-2-carboxamide 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: 69.0%

: 64-18-6
formic acid

: 1400635-11-1
3-benzyl-2-hydrazino-5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxamide

: 1400635-25-7
5-benzyl-3-methyl-4-oxo-4,5-dihydrothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidine-2-carboxamide

Guidance literature:: for 2h; Reflux;
DOI:10.1016/j.ejmech.2012.07.007

Reference yield:

: 1400635-07-5
3-benzyl-5-methyl-4-oxo-2-sulfanyl-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxamide

: 1400635-25-7
5-benzyl-3-methyl-4-oxo-4,5-dihydrothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidine-2-carboxamide

Guidance literature:: Multi-step reaction with 3 steps

1: potassium carbonate / acetone / 4 h / Reflux

2: hydrazine hydrate / ethanol / 3 h / Reflux

3: 2 h / Reflux

With potassium carbonate; hydrazine hydrate; In ethanol; acetone;
DOI:10.1016/j.ejmech.2012.07.007

Reference yield:

: 1400635-09-7
3-benzyl-5-methyl-2-(methylsulfanyl)-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxamide

: 1400635-25-7
5-benzyl-3-methyl-4-oxo-4,5-dihydrothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidine-2-carboxamide

Guidance literature:: Multi-step reaction with 2 steps

1: hydrazine hydrate / ethanol / 3 h / Reflux

2: 2 h / Reflux

With hydrazine hydrate; In ethanol;
DOI:10.1016/j.ejmech.2012.07.007