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

Base Information

Chemical Name:N'-((5-bromopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-fluoro-N-methyl-5-nitrobenzenesulfonohydrazide
CAS No.:1101119-38-3
Molecular Formula:C₁₅H₁₁BrFN₅O₄S
Molecular Weight:456.252
Hs Code.:

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

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

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

There total 3 articles about N'-((5-bromopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-fluoro-N-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: 64.0%

: 1101120-53-9
5-bromopyrazolo[1,5-a]pyridine-3-carbaldehyde

: 1101120-80-2
5-cyano-2-fluorobenzene-1-sulfonyl chloride

: 302-15-8
methylhydrazine sulfuric acid

: 1101119-38-3
N'-((5-bromopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-fluoro-N-methyl-5-nitrobenzenesulfonohydrazide

Guidance literature:: With 2,6-dimethylpyridine; In methanol; for 0.5h;
DOI:10.1016/j.bmcl.2016.11.078

Reference yield: 64.0%

: 1101119-38-3
N'-((5-bromopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-fluoro-N-methyl-5-nitrobenzenesulfonohydrazide

Guidance literature:

Reference yield:

: 859855-53-1
3-amino-4-fluorobenzonitrile

: 1101119-38-3
N'-((5-bromopyrazolo[1,5-a]pyridin-3-yl)methylene)-2-fluoro-N-methyl-5-nitrobenzenesulfonohydrazide

Guidance literature:: Multi-step reaction with 2 steps

1.1: hydrogenchloride; sodium nitrite / water / 0.58 h / 0 °C

1.2: 2 h / 5 - 20 °C

2.1: 2,6-dimethylpyridine / methanol / 0.5 h

With 2,6-dimethylpyridine; hydrogenchloride; sodium nitrite; In methanol; water;
DOI:10.1016/j.bmcl.2016.11.078