4-(4-nitro-benzenesulfonyl)-3-[2-(4-nitro-benzenesulfonyl)-ethenesulfonyl]-4,5-dihydro-1H-pyrazole

Base Information

Chemical Name:4-(4-nitro-benzenesulfonyl)-3-[2-(4-nitro-benzenesulfonyl)-ethenesulfonyl]-4,5-dihydro-1H-pyrazole
CAS No.:640771-92-2
Molecular Formula:C₁₇H₁₄N₄O₁₀S₃
Molecular Weight:530.517
Hs Code.:

4-(4-nitro-benzenesulfonyl)-3-[2-(4-nitro-benzenesulfonyl)-ethenesulfonyl]-4,5-dihydro-1<i>H</i>-pyrazole

Synonyms:4-(4-nitro-benzenesulfonyl)-3-[2-(4-nitro-benzenesulfonyl)-ethenesulfonyl]-4,5-dihydro-1H-pyrazole

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Chemical Property of 4-(4-nitro-benzenesulfonyl)-3-[2-(4-nitro-benzenesulfonyl)-ethenesulfonyl]-4,5-dihydro-1H-pyrazole

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Technology Process of 4-(4-nitro-benzenesulfonyl)-3-[2-(4-nitro-benzenesulfonyl)-ethenesulfonyl]-4,5-dihydro-1H-pyrazole

There total 3 articles about 4-(4-nitro-benzenesulfonyl)-3-[2-(4-nitro-benzenesulfonyl)-ethenesulfonyl]-4,5-dihydro-1H-pyrazole 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: 59.0%

: 186581-53-3,908094-01-9,334-88-3
diazomethane

: 640771-89-7
C₁₆H₁₂N₂O₁₀S₃

: 640771-92-2
4-(4-nitro-benzenesulfonyl)-3-[2-(4-nitro-benzenesulfonyl)-ethenesulfonyl]-4,5-dihydro-1H-pyrazole

: 640771-95-5
C₁₈H₁₆N₆O₁₀S₃

Guidance literature:: With triethylamine; In diethyl ether; dichloromethane; at -20 - -15 ℃; for 48h;
DOI:10.1002/jhet.5570400531

Reference yield:

: 53714-58-2
1-(2-chloro-ethenesulfonyl)-4-nitro-benzene

: 640771-92-2
4-(4-nitro-benzenesulfonyl)-3-[2-(4-nitro-benzenesulfonyl)-ethenesulfonyl]-4,5-dihydro-1H-pyrazole

Guidance literature:: Multi-step reaction with 3 steps

1: 90 percent / Na₂S / methanol / 20 °C

2: 68 percent / aq. H₂O₂ / acetic acid / Heating

3: 59 percent / Et₃N / diethyl ether; CH₂Cl₂ / 48 h / -20 - -15 °C

With sodium sulfide; dihydrogen peroxide; triethylamine; In methanol; diethyl ether; dichloromethane; acetic acid;
DOI:10.1002/jhet.5570400531

Reference yield:

: 640771-86-4
C₁₆H₁₂N₂O₈S₃

: 640771-92-2
4-(4-nitro-benzenesulfonyl)-3-[2-(4-nitro-benzenesulfonyl)-ethenesulfonyl]-4,5-dihydro-1H-pyrazole

Guidance literature:: Multi-step reaction with 2 steps

1: 68 percent / aq. H₂O₂ / acetic acid / Heating

2: 59 percent / Et₃N / diethyl ether; CH₂Cl₂ / 48 h / -20 - -15 °C

With dihydrogen peroxide; triethylamine; In diethyl ether; dichloromethane; acetic acid;
DOI:10.1002/jhet.5570400531