tert-butyl 3-(4-bromobenzoylamino)-5-(N'-methyl-N'-phenylhydrazinocarbonyl)thieno[2,3-c]pyrazole-1-carboxylate

Base Information

Chemical Name:tert-butyl 3-(4-bromobenzoylamino)-5-(N'-methyl-N'-phenylhydrazinocarbonyl)thieno[2,3-c]pyrazole-1-carboxylate
CAS No.:909252-74-0
Molecular Formula:C₂₅H₂₄BrN₅O₄S
Molecular Weight:570.467
Hs Code.:

Synonyms:tert-butyl 3-(4-bromobenzoylamino)-5-(N'-methyl-N'-phenylhydrazinocarbonyl)thieno[2,3-c]pyrazole-1-carboxylate

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Chemical Property of tert-butyl 3-(4-bromobenzoylamino)-5-(N'-methyl-N'-phenylhydrazinocarbonyl)thieno[2,3-c]pyrazole-1-carboxylate

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Technology Process of tert-butyl 3-(4-bromobenzoylamino)-5-(N'-methyl-N'-phenylhydrazinocarbonyl)thieno[2,3-c]pyrazole-1-carboxylate

There total 9 articles about tert-butyl 3-(4-bromobenzoylamino)-5-(N'-methyl-N'-phenylhydrazinocarbonyl)thieno[2,3-c]pyrazole-1-carboxylate 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:

: 909252-69-3
tert-butyl 3-amino-5-(N'-methyl-N'-phenylhydrazinocarbonyl)-thieno[2,3-c]pyrazole-1-carboxylate

: 586-75-4
4-chlorobenzoyl chloride

: 909252-74-0
tert-butyl 3-(4-bromobenzoylamino)-5-(N'-methyl-N'-phenylhydrazinocarbonyl)thieno[2,3-c]pyrazole-1-carboxylate

Guidance literature:: With potassium carbonate; In tetrahydrofuran; for 2h; Heating / reflux;

Reference yield:

: 5147-80-8
[Bis(methylthio)methylene]malononitrile

: 909252-74-0
tert-butyl 3-(4-bromobenzoylamino)-5-(N'-methyl-N'-phenylhydrazinocarbonyl)thieno[2,3-c]pyrazole-1-carboxylate

Guidance literature:: Multi-step reaction with 7 steps

1.1: triethylamine

2.1: isopentyl nitrite / N,N-dimethyl-formamide / 2.5 h / 60 - 70 °C

3.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 21 h / -5 - 25 °C

4.1: hydrazine / ethanol / 4 h / Heating / reflux

4.2: 4 h / 25 °C

5.1: trimethylaluminum / toluene / 1 h / 25 °C

5.2: 16 h / Heating / reflux

6.1: triethylamine / dichloromethane / 0.25 h / 25 °C

6.2: 4 h / 0 - 25 °C

7.1: potassium carbonate / tetrahydrofuran / 2 h / Heating / reflux

With trimethylaluminum; potassium carbonate; triethylamine; 3-chloro-benzenecarboperoxoic acid; hydrazine; isopentyl nitrite; In tetrahydrofuran; ethanol; dichloromethane; N,N-dimethyl-formamide; toluene;

Reference yield:

: 116170-84-4
ethyl 4-cyano-5-methylsulfanylthiophene-2-carboxylate

: 909252-74-0
tert-butyl 3-(4-bromobenzoylamino)-5-(N'-methyl-N'-phenylhydrazinocarbonyl)thieno[2,3-c]pyrazole-1-carboxylate

Guidance literature:: Multi-step reaction with 5 steps

1.1: trimethylaluminum / toluene / 25 °C

1.2: 20 h / 25 - 80 °C

2.1: Oxone / tetrahydrofuran; water / 2.5 h / 25 °C

3.1: hydrazine / tetrahydrofuran; ethanol / 16 h / 50 °C

3.2: 3.52 h / 25 °C

4.1: triethylamine / dichloromethane / 0.25 h / 25 °C

4.2: 4 h / 0 - 25 °C

5.1: potassium carbonate / tetrahydrofuran / 2 h / Heating / reflux

With Oxone; trimethylaluminum; potassium carbonate; triethylamine; hydrazine; In tetrahydrofuran; ethanol; dichloromethane; water; toluene;