4-(diphenylmethylene)-5-(4-nitrophenyl)-1-(phenylsulfonyl)-4,5-dihydro-1H-pyrazole

Base Information

Chemical Name:4-(diphenylmethylene)-5-(4-nitrophenyl)-1-(phenylsulfonyl)-4,5-dihydro-1H-pyrazole
CAS No.:1311197-08-6
Molecular Formula:C₂₈H₂₁N₃O₄S
Molecular Weight:495.558
Hs Code.:

Synonyms:4-(diphenylmethylene)-5-(4-nitrophenyl)-1-(phenylsulfonyl)-4,5-dihydro-1H-pyrazole

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Chemical Property of 4-(diphenylmethylene)-5-(4-nitrophenyl)-1-(phenylsulfonyl)-4,5-dihydro-1H-pyrazole

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Technology Process of 4-(diphenylmethylene)-5-(4-nitrophenyl)-1-(phenylsulfonyl)-4,5-dihydro-1H-pyrazole

There total 4 articles about 4-(diphenylmethylene)-5-(4-nitrophenyl)-1-(phenylsulfonyl)-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: 43.0%

: 50626-29-4
N'-(4-nitrobenzylidene)benzenesulfonohydrazide

: 3923-52-2
1,1-diphenyl-2-propyn-1-ol

: 1311197-08-6
4-(diphenylmethylene)-5-(4-nitrophenyl)-1-(phenylsulfonyl)-4,5-dihydro-1H-pyrazole

Guidance literature:: With boron trifluoride diethyl etherate; In dichloromethane; at 0 ℃; for 2h;
DOI:10.1021/ol201203g

Reference yield:

: 119-61-9
benzophenone

: 1311197-08-6
4-(diphenylmethylene)-5-(4-nitrophenyl)-1-(phenylsulfonyl)-4,5-dihydro-1H-pyrazole

Guidance literature:: Multi-step reaction with 2 steps

1: tetrahydrofuran / 20 - 50 °C / Inert atmosphere

2: boron trifluoride diethyl etherate / dichloromethane / 2 h / 0 °C

With boron trifluoride diethyl etherate; In tetrahydrofuran; dichloromethane;
DOI:10.1021/ol201203g

Reference yield:

: 80-17-1
benzenesufonyl hydrazide

: 1311197-08-6
4-(diphenylmethylene)-5-(4-nitrophenyl)-1-(phenylsulfonyl)-4,5-dihydro-1H-pyrazole

Guidance literature:: Multi-step reaction with 2 steps

1: methanol / 1 h

2: boron trifluoride diethyl etherate / dichloromethane / 2 h / 0 °C

With boron trifluoride diethyl etherate; In methanol; dichloromethane;
DOI:10.1021/ol201203g