5-benzyl-3-methyl-8-(4-nitrophenyl)-4-oxo-4,5-dihydrothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidine-2-carboxamide

Base Information

Chemical Name:5-benzyl-3-methyl-8-(4-nitrophenyl)-4-oxo-4,5-dihydrothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidine-2-carboxamide
CAS No.:1400635-18-8
Molecular Formula:C₂₂H₁₆N₆O₄S
Molecular Weight:460.473
Hs Code.:

Synonyms:5-benzyl-3-methyl-8-(4-nitrophenyl)-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-8-(4-nitrophenyl)-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-8-(4-nitrophenyl)-4-oxo-4,5-dihydrothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidine-2-carboxamide

There total 5 articles about 5-benzyl-3-methyl-8-(4-nitrophenyl)-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: 63.0%

: 1400635-14-4
3-benzyl-2-[4-nitrobenzylidenehydrazino]-5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxamide

: 1400635-18-8
5-benzyl-3-methyl-8-(4-nitrophenyl)-4-oxo-4,5-dihydrothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidine-2-carboxamide

Guidance literature:: With bromine; sodium acetate; acetic acid; at 20 ℃; for 12h;
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

: 1400635-18-8
5-benzyl-3-methyl-8-(4-nitrophenyl)-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: hydrazine hydrate / ethanol / 3 h / Reflux

2: acetic acid / ethanol / 2 h / Reflux

3: bromine; sodium acetate; acetic acid / 12 h / 20 °C

With bromine; sodium acetate; hydrazine hydrate; acetic acid; In ethanol;
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

: 1400635-18-8
5-benzyl-3-methyl-8-(4-nitrophenyl)-4-oxo-4,5-dihydrothieno[3,2-e][1,2,4]triazolo[4,3-a]pyrimidine-2-carboxamide

Guidance literature:: Multi-step reaction with 4 steps

1: potassium carbonate / acetone / 4 h / Reflux

2: hydrazine hydrate / ethanol / 3 h / Reflux

3: acetic acid / ethanol / 2 h / Reflux

4: bromine; sodium acetate; acetic acid / 12 h / 20 °C

With bromine; sodium acetate; potassium carbonate; hydrazine hydrate; acetic acid; In ethanol; acetone;
DOI:10.1016/j.ejmech.2012.07.007