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

Base Information

Chemical Name:N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide
CAS No.:1101118-71-1
Molecular Formula:C₁₆H₁₂N₆O₄S
Molecular Weight:384.375
Hs Code.:

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

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

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

There total 5 articles about 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: 91.0%

: 1101120-05-1
3-formylpyrazolo[1,5-a]pyridine-5-carbonitrile

: 53516-95-3
2-methyl-5-nitrobenzenesulfonohydrazide

: 1101118-71-1
N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide

Guidance literature:: In methanol; at 20 ℃; for 18h;
DOI:10.1016/j.bmc.2011.11.029

Reference yield:

: 104468-87-3
pyrazolo [1,5-a]pyridine-5-carboxylic acid

: 1101118-71-1
N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide

Guidance literature:: Multi-step reaction with 3 steps

1.1: triethylamine; isobutyl chloroformate / tetrahydrofuran / 1 h / 0 °C

1.2: 1.03 h / 0 - 20 °C

2.1: trichlorophosphate / 2 h / 20 °C / Inert atmosphere

2.2: pH 10

3.1: methanol / 18 h / 20 °C

With triethylamine; trichlorophosphate; isobutyl chloroformate; In tetrahydrofuran; methanol; 2.1: Vilsmeier formylation;
DOI:10.1016/j.bmc.2011.11.029

Reference yield:

: 1101120-03-9
pyrazolo[1,5-a]pyridine-5-carboxamide

: 1101118-71-1
N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-methyl-5-nitrobenzenesulfonohydrazide

Guidance literature:: Multi-step reaction with 2 steps

1.1: trichlorophosphate / 2 h / 20 °C / Inert atmosphere

1.2: pH 10

2.1: methanol / 18 h / 20 °C

With trichlorophosphate; In methanol; 1.1: Vilsmeier formylation;
DOI:10.1016/j.bmc.2011.11.029