ethyl 5-((2-nitrophenyl)sulfonyl)-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate

Base Information

Chemical Name:ethyl 5-((2-nitrophenyl)sulfonyl)-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate
CAS No.:1338563-26-0
Molecular Formula:C₁₆H₁₈N₄O₆S
Molecular Weight:394.408
Hs Code.:

Synonyms:ethyl 5-((2-nitrophenyl)sulfonyl)-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of ethyl 5-((2-nitrophenyl)sulfonyl)-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate

Chemical Property:

Purity/Quality:: 98% ^*data from raw suppliers

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Technology Process of ethyl 5-((2-nitrophenyl)sulfonyl)-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate

There total 3 articles about ethyl 5-((2-nitrophenyl)sulfonyl)-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-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: 50.0%

: 623-73-4
diazoacetic acid ethyl ester

: 1338563-25-9
N-(3-chloropropyl)-2-nitro-N-(prop-2-ynyl)benzenesulfonamide

: 1338563-26-0
ethyl 5-((2-nitrophenyl)sulfonyl)-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate

Guidance literature:: diazoacetic acid ethyl ester; N-(3-chloropropyl)-2-nitro-N-(prop-2-ynyl)benzenesulfonamide; With N-ethyl-N,N-diisopropylamine; In benzene; at 140 ℃; for 1h; Microwave irradiation;

With caesium carbonate; In tetrahydrofuran; benzene; at 140 ℃; for 0.5h; Microwave irradiation;

Reference yield:

: 1694-92-4
2-Nitrobenzenesulfonyl chloride

: 1338563-26-0
ethyl 5-((2-nitrophenyl)sulfonyl)-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate

Guidance literature:: Multi-step reaction with 3 steps

1.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 0 - 20 °C

2.1: caesium carbonate / acetone / 48 h / 20 °C

3.1: N-ethyl-N,N-diisopropylamine / benzene / 1 h / 140 °C / Microwave irradiation

3.2: 0.5 h / 140 °C / Microwave irradiation

With caesium carbonate; N-ethyl-N,N-diisopropylamine; In dichloromethane; acetone; benzene;

Reference yield:

: 908072-33-3
2-nitro-N-(prop-2-yn-1-yl)benzene-1-sulfonamide

: 1338563-26-0
ethyl 5-((2-nitrophenyl)sulfonyl)-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1.1: caesium carbonate / acetone / 48 h / 20 °C

2.1: N-ethyl-N,N-diisopropylamine / benzene / 1 h / 140 °C / Microwave irradiation

2.2: 0.5 h / 140 °C / Microwave irradiation

With caesium carbonate; N-ethyl-N,N-diisopropylamine; In acetone; benzene;