2-(4-methoxybenzyl)-5-(4-methoxyphenyl)-3-(2-nitrophenyl)pyrazole-1-oxide

Base Information

Chemical Name:2-(4-methoxybenzyl)-5-(4-methoxyphenyl)-3-(2-nitrophenyl)pyrazole-1-oxide
CAS No.:438193-62-5
Molecular Formula:C₂₄H₂₁N₃O₅
Molecular Weight:431.448
Hs Code.:

Synonyms:2-(4-methoxybenzyl)-5-(4-methoxyphenyl)-3-(2-nitrophenyl)pyrazole-1-oxide

Suppliers and Price of 2-(4-methoxybenzyl)-5-(4-methoxyphenyl)-3-(2-nitrophenyl)pyrazole-1-oxide

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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 2-(4-methoxybenzyl)-5-(4-methoxyphenyl)-3-(2-nitrophenyl)pyrazole-1-oxide

Chemical Property:

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

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Technology Process of 2-(4-methoxybenzyl)-5-(4-methoxyphenyl)-3-(2-nitrophenyl)pyrazole-1-oxide

There total 3 articles about 2-(4-methoxybenzyl)-5-(4-methoxyphenyl)-3-(2-nitrophenyl)pyrazole-1-oxide 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: 74.0%

: 609-73-4
o-nitroiodobenzene

: 438193-56-7
3-bromo-2-(4-methoxybenzyl)-5-(4-methoxyphenyl)pyrazole 1-oxide

: 438193-62-5
2-(4-methoxybenzyl)-5-(4-methoxyphenyl)-3-(2-nitrophenyl)pyrazole-1-oxide

Guidance literature:: 3-bromo-2-(4-methoxybenzyl)-5-(4-methoxyphenyl)pyrazole 1-oxide; With isopropylmagnesium chloride; In tetrahydrofuran; at -78 ℃; for 0.25h;

With zinc(II) chloride; In tetrahydrofuran; at -78 - 20 ℃; for 0.75h;

o-nitroiodobenzene; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In tetrahydrofuran; at 60 ℃; Further stages.;
DOI:10.1021/jo015997i

Reference yield:

: 696-62-8
para-iodoanisole

: 438193-62-5
2-(4-methoxybenzyl)-5-(4-methoxyphenyl)-3-(2-nitrophenyl)pyrazole-1-oxide

Guidance literature:: Multi-step reaction with 2 steps

1.1: LDA / tetrahydrofuran / -100 °C

1.2: ZnCl₂ / tetrahydrofuran / -100 °C

1.3: 76 percent / Pd(PPh₃)4 / tetrahydrofuran / 60 °C

2.1: i-PrMgCl / tetrahydrofuran / 0.25 h / -78 °C

2.2: ZnCl₂ / tetrahydrofuran / 0.75 h / -78 - 20 °C

2.3: 74 percent / Pd(PPh₃)4 / tetrahydrofuran / 60 °C

With isopropylmagnesium chloride; lithium diisopropyl amide; In tetrahydrofuran;
DOI:10.1021/jo015997i

Reference yield:

: 384339-31-5
3-bromo-2-(4-methoxybenzyl)pyrazole 1-oxide

: 438193-62-5
2-(4-methoxybenzyl)-5-(4-methoxyphenyl)-3-(2-nitrophenyl)pyrazole-1-oxide

Guidance literature:: Multi-step reaction with 2 steps

1.1: LDA / tetrahydrofuran / -100 °C

1.2: ZnCl₂ / tetrahydrofuran / -100 °C

1.3: 76 percent / Pd(PPh₃)4 / tetrahydrofuran / 60 °C

2.1: i-PrMgCl / tetrahydrofuran / 0.25 h / -78 °C

2.2: ZnCl₂ / tetrahydrofuran / 0.75 h / -78 - 20 °C

2.3: 74 percent / Pd(PPh₃)4 / tetrahydrofuran / 60 °C

With isopropylmagnesium chloride; lithium diisopropyl amide; In tetrahydrofuran;
DOI:10.1021/jo015997i