873913-39-4

Upstream product

• 100-63-0 phenylhydrazine 
• 873913-36-1 N′-[3-(4-chlorophenyl)-4-formyl-1-phenyl-1H-pyrazol-5-yl]-N,N-dimethylmethanimidamide 
• 4640-66-8 p-chlorobenzoylacetonitrile 
• 19652-14-3 3-(4-chlorophenyl)-1-phenyl-1H-pyrazole-5-amine 

Downstream Products

• 36663-00-0 1-phenyl-3-(4-chlorophenyl)-4-pyrazolecarboxaldehyde 
• 959577-83-4 5-amino-3-(4-chlorophenyl)-4-nitroso-1-phenylpyrazole 
• 917593-96-5 5-chloro-3-(4-chlorophenyl)-7,7-dimethyl-1-phenyl-7,8-dihydro-1H-pyrazolo[3,4-b]quinoline-6-carbaldehyde 
• 937401-75-7 6-amino-3-(4-chlorophenyl)-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carbonitrile 
• 893618-07-0 3-(4-chlorophenyl)-7,7-dimethyl-1-phenyl-1,6,7,8-tetrahydro-5H-pyrazolo[3,4-b]quinolin-5-one 

Relevant academic research and scientific papers

Friedlaender condensation of 5-aminopyrazole-4-carbaldehydes with reactive α-methylene ketones: Synthesis of pyrazolo[3,4-b]pyridines

A series of 1,3,6-trisubstituted and 1,3,5,6-tetrasubstituted pyrazolo[3,4-b]pyridines 5 has been synthesized by Friedlaender condensation of 5-aminopyrazole-4-carbaldehydes 3 with α-methylene ketones such as acetone (4a) or acetophenones 4b-f with potass

Phenyl pyrazole compound, pharmaceutical composition and preparation method and application of phenyl pyrazole compound

The invention discloses a phenyl pyrazole compound, a pharmaceutical composition and a preparation method and application of the phenyl pyrazole compound. The phenyl pyrazole compound shown in a formula I or a formula II can be used for preparing drugs fo