3-(1-(2-(benzo[d]thiazol-2-ylthio)acetyl)-5-(4-nitrophenyl)-4,5-dihydro-1H-pyrazol-3-yl)-2H-chromen-2-one

Base Information

Chemical Name:3-(1-(2-(benzo[d]thiazol-2-ylthio)acetyl)-5-(4-nitrophenyl)-4,5-dihydro-1H-pyrazol-3-yl)-2H-chromen-2-one
CAS No.:1363390-85-5
Molecular Formula:C₂₇H₁₈N₄O₅S₂
Molecular Weight:542.596
Hs Code.:

Synonyms:3-(1-(2-(benzo[d]thiazol-2-ylthio)acetyl)-5-(4-nitrophenyl)-4,5-dihydro-1H-pyrazol-3-yl)-2H-chromen-2-one

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Chemical Property of 3-(1-(2-(benzo[d]thiazol-2-ylthio)acetyl)-5-(4-nitrophenyl)-4,5-dihydro-1H-pyrazol-3-yl)-2H-chromen-2-one

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Technology Process of 3-(1-(2-(benzo[d]thiazol-2-ylthio)acetyl)-5-(4-nitrophenyl)-4,5-dihydro-1H-pyrazol-3-yl)-2H-chromen-2-one

There total 4 articles about 3-(1-(2-(benzo[d]thiazol-2-ylthio)acetyl)-5-(4-nitrophenyl)-4,5-dihydro-1H-pyrazol-3-yl)-2H-chromen-2-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: 61.0%

: C₂₀H₁₄BrN₃O₅

: 149-30-4,118090-09-8
2-Mercaptobenzothiazole

: 1363390-85-5
3-(1-(2-(benzo[d]thiazol-2-ylthio)acetyl)-5-(4-nitrophenyl)-4,5-dihydro-1H-pyrazol-3-yl)-2H-chromen-2-one

Guidance literature:: With dmap; potassium iodide; In acetone; at 50 - 60 ℃; for 6h;
DOI:10.2174/157018012799079743

Reference yield:

: 3949-36-8
3-acetylcoumarin

: 1363390-85-5
3-(1-(2-(benzo[d]thiazol-2-ylthio)acetyl)-5-(4-nitrophenyl)-4,5-dihydro-1H-pyrazol-3-yl)-2H-chromen-2-one

Guidance literature:: Multi-step reaction with 3 steps

1: piperidine / ethanol / 8 h / Reflux

2: hydrazine hydrate / 2 h / Reflux

3: dmap; potassium iodide / acetone / 6 h / 50 - 60 °C

With piperidine; dmap; hydrazine hydrate; potassium iodide; In ethanol; acetone;
DOI:10.2174/157018012799079743

Reference yield:

: 90-02-8
salicylaldehyde

: 1363390-85-5
3-(1-(2-(benzo[d]thiazol-2-ylthio)acetyl)-5-(4-nitrophenyl)-4,5-dihydro-1H-pyrazol-3-yl)-2H-chromen-2-one

Guidance literature:: Multi-step reaction with 4 steps

1: piperazine / 30 °C

2: piperidine / ethanol / 8 h / Reflux

3: hydrazine hydrate / 2 h / Reflux

4: dmap; potassium iodide / acetone / 6 h / 50 - 60 °C

With piperidine; piperazine; dmap; hydrazine hydrate; potassium iodide; In ethanol; acetone; 1: Claisen-Schmidt condensation;
DOI:10.2174/157018012799079743