N,2-dimethyl-5-nitro-N'-((5-phenylpyrazolo[1,5-a]pyridin-3-yl)methylene)benzenesulfonohydrazide

Base Information

Chemical Name:N,2-dimethyl-5-nitro-N'-((5-phenylpyrazolo[1,5-a]pyridin-3-yl)methylene)benzenesulfonohydrazide
CAS No.:1356145-27-1
Molecular Formula:C₂₂H₁₉N₅O₄S
Molecular Weight:449.49
Hs Code.:

Synonyms:N,2-dimethyl-5-nitro-N'-((5-phenylpyrazolo[1,5-a]pyridin-3-yl)methylene)benzenesulfonohydrazide

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Chemical Property of N,2-dimethyl-5-nitro-N'-((5-phenylpyrazolo[1,5-a]pyridin-3-yl)methylene)benzenesulfonohydrazide

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Technology Process of N,2-dimethyl-5-nitro-N'-((5-phenylpyrazolo[1,5-a]pyridin-3-yl)methylene)benzenesulfonohydrazide

There total 5 articles about N,2-dimethyl-5-nitro-N'-((5-phenylpyrazolo[1,5-a]pyridin-3-yl)methylene)benzenesulfonohydrazide 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:

: C₁₅H₁₄N₄

: 121-02-8
2-methyl-5-nitrobenzene-1-sulfonyl chloride

: 1356145-27-1
N,2-dimethyl-5-nitro-N'-((5-phenylpyrazolo[1,5-a]pyridin-3-yl)methylene)benzenesulfonohydrazide

Guidance literature:: With sodium hydrogencarbonate; In methanol; for 0.5h;
DOI:10.1016/j.bmc.2011.11.029

Reference yield:

: 939-23-1
p-phenylpyridine

: 1356145-27-1
N,2-dimethyl-5-nitro-N'-((5-phenylpyrazolo[1,5-a]pyridin-3-yl)methylene)benzenesulfonohydrazide

Guidance literature:: Multi-step reaction with 5 steps

1.1: mesitylenesulfonylhydroxylamine / dichloromethane / 2 h / 0 °C

1.2: 18 h / 20 °C

2.1: sulfuric acid; water / 18 h / Reflux

2.2: pH 7

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

3.2: pH 10

4.1: sodium hydrogencarbonate / methanol

5.1: sodium hydrogencarbonate / methanol / 0.5 h

With sulfuric acid; water; mesitylenesulfonylhydroxylamine; sodium hydrogencarbonate; trichlorophosphate; In methanol; dichloromethane; 3.1: Vilsmeier formylation;
DOI:10.1016/j.bmc.2011.11.029

Reference yield:

: 5-phenylpyrazolo[1,5-a]pyridine

: 1356145-27-1
N,2-dimethyl-5-nitro-N'-((5-phenylpyrazolo[1,5-a]pyridin-3-yl)methylene)benzenesulfonohydrazide

Guidance literature:: Multi-step reaction with 3 steps

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

1.2: pH 10

2.1: sodium hydrogencarbonate / methanol

3.1: sodium hydrogencarbonate / methanol / 0.5 h

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