2-[N'-(4-nitro-benzylidene)-hydrazino]-7-(4-nitro-phenyl)-5-oxo-5H-pyrano[2,3-d]thiazole-6-carbothioic acid amide

Base Information

• Chemical Name: 2-[N'-(4-nitro-benzylidene)-hydrazino]-7-(4-nitro-phenyl)-5-oxo-5H-pyrano[2,3-d]thiazole-6-carbothioic acid amide
• CAS No.: 264195-79-1
• Molecular Formula: C₂₀H₁₂N₆O₆S₂
• Molecular Weight: 496.484

Synonyms:2-[N'-(4-nitro-benzylidene)-hydrazino]-7-(4-nitro-phenyl)-5-oxo-5H-pyrano[2,3-d]thiazole-6-carbothioic acid amide

Chemical Property of 2-[N'-(4-nitro-benzylidene)-hydrazino]-7-(4-nitro-phenyl)-5-oxo-5H-pyrano[2,3-d]thiazole-6-carbothioic acid amide

Chemical Property:

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Technology Process of 2-[N'-(4-nitro-benzylidene)-hydrazino]-7-(4-nitro-phenyl)-5-oxo-5H-pyrano[2,3-d]thiazole-6-carbothioic acid amide

There total 4 articles about 2-[N'-(4-nitro-benzylidene)-hydrazino]-7-(4-nitro-phenyl)-5-oxo-5H-pyrano[2,3-d]thiazole-6-carbothioic acid amide 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:

Cyanothioacetamide (7357-70-2) + 5-[1-(4-Nitro-phenyl)-meth-(Z)-ylidene]-2-{N'-[1-(4-nitro-phenyl)-meth-(E)-ylidene]-hydrazino}-thiazol-4-one (264195-81-5) → 2-[N'-(4-nitro-benzylidene)-hydrazino]-7-(4-nitro-phenyl)-5-oxo-5H-pyrano[2,3-d]thiazole-6-carbothioic acid amide (264195-79-1)

Guidance literature:

In ethanol; Heating;

DOI:10.1515/znb-1999-1218

Reference yield:

α-thiocarbamoyl-β-(4'-nitrophenyl)acrylonitrile (93440-31-4) → 2-[N'-(4-nitro-benzylidene)-hydrazino]-7-(4-nitro-phenyl)-5-oxo-5H-pyrano[2,3-d]thiazole-6-carbothioic acid amide (264195-79-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 68 percent / NEt₃ / ethanol / 5 h / Heating

2: ethanol / 5 h / Heating

With triethylamine; In ethanol; 1: Cyclization / 2: Condensation;

DOI:10.1515/znb-1999-1218

Reference yield:

4-nitrobenzaldehdye (555-16-8) → 2-[N'-(4-nitro-benzylidene)-hydrazino]-7-(4-nitro-phenyl)-5-oxo-5H-pyrano[2,3-d]thiazole-6-carbothioic acid amide (264195-79-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 66 percent / ethanol / 5 h / Heating

2: ethanol / Heating

In ethanol; 1: Condensation / 2: Cyclization;

DOI:10.1515/znb-1999-1218

upstream raw materials:

Cyanothioacetamide

5-[1-(4-Nitro-phenyl)-meth-(Z)-ylidene]-2-{N'-[1-(4-nitro-phenyl)-meth-(E)-ylidene]-hydrazino}-thiazol-4-one

4-nitrobenzaldehdye

2-hydrazino-7-(4-nitro-phenyl)-5-oxo-5H-pyrano[2,3-d]thiazole-6-carbothioic acid amide

Downstream raw materials:

7-(4-Nitro-phenyl)-2-{N'-[1-(4-nitro-phenyl)-meth-(E)-ylidene]-hydrazino}-6-(4-oxo-4,5-dihydro-thiazol-2-yl)-pyrano[2,3-d]thiazol-5-one

3,7-bis-(4-nitro-phenyl)-6-(4-oxo-4,5-dihydro-thiazol-2-yl)-4-oxa-8-thia-1,2,3a-triaza-cyclopenta[a]inden-5-one

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