N-benzyl-N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide

Base Information

• Chemical Name: N-benzyl-N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide
• CAS No.: 1101118-73-3
• Molecular Formula: C₂₃H₁₈N₆O₄S
• Molecular Weight: 474.5

Synonyms:N-benzyl-N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide

Chemical Property of N-benzyl-N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide

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Technology Process of N-benzyl-N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide

There total 6 articles about N-benzyl-N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide 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: 49.0%

N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide (1101118-71-1) + benzyl bromide (100-39-0) → N-benzyl-N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide (1101118-73-3)

Guidance literature:

N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide; With sodium hydride; In N,N-dimethyl-formamide; mineral oil; at 20 ℃; for 1h;

benzyl bromide; In N,N-dimethyl-formamide; mineral oil; at 20 ℃; for 1h;

DOI:10.1016/j.bmc.2011.11.031

Reference yield:

3-formylpyrazolo[1,5-a]pyridine-5-carbonitrile (1101120-05-1) → N-benzyl-N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide (1101118-73-3)

Guidance literature:

Multi-step reaction with 2 steps

1.1: methanol

2.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 1 h / 20 °C

2.2: 1 h / 20 °C

With sodium hydride; In methanol; N,N-dimethyl-formamide; mineral oil;

DOI:10.1016/j.bmc.2011.11.031

Reference yield:

2-methyl-5-nitrobenzenesulfonohydrazide (53516-95-3) → N-benzyl-N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide (1101118-73-3)

Guidance literature:

Multi-step reaction with 2 steps

1.1: methanol

2.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 1 h / 20 °C

2.2: 1 h / 20 °C

With sodium hydride; In methanol; N,N-dimethyl-formamide; mineral oil;

DOI:10.1016/j.bmc.2011.11.031

upstream raw materials:

N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide

benzyl bromide

3-formylpyrazolo[1,5-a]pyridine-5-carbonitrile

2-methyl-5-nitrobenzenesulfonohydrazide

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