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

Base Information

Chemical Name:N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-N,2-dimethyl-5-(trifluoromethyl)benzenesulfonohydrazide
CAS No.:1101118-32-4
Molecular Formula:C₁₈H₁₄F₃N₅O₂S
Molecular Weight:421.403
Hs Code.:

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

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

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

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

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

: 491850-53-4
2-methyl-5-(trifluoromethyl)benzenesulfonyl chloride

: 302-15-8
methylhydrazine sulfuric acid

: 1101118-32-4
N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-N,2-dimethyl-5-(trifluoromethyl)benzenesulfonohydrazide

Guidance literature:: 3-formylpyrazolo[1,5-a]pyridine-5-carbonitrile; methylhydrazine sulfuric acid; With sodium hydrogencarbonate; In methanol;

2-methyl-5-(trifluoromethyl)benzenesulfonyl chloride; In methanol; for 0.5h;
DOI:10.1016/j.bmc.2011.11.031

Reference yield: 49.0%

: 1101118-32-4
N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-N,2-dimethyl-5-(trifluoromethyl)benzenesulfonohydrazide

Guidance literature:

Reference yield:

: 6140-17-6
4-methylbenzotrifluoride

: 1101118-32-4
N'-((5-cyanopyrazolo[1,5-a]pyridin-3-yl)methylene)-N,2-dimethyl-5-(trifluoromethyl)benzenesulfonohydrazide

Guidance literature:: Multi-step reaction with 2 steps

1.1: chlorosulfonic acid / 2.17 h / 0 - 100 °C

2.1: sodium hydrogencarbonate / methanol

2.2: 0.5 h

With chlorosulfonic acid; sodium hydrogencarbonate; In methanol;
DOI:10.1016/j.bmc.2011.11.031