141430-63-9

Upstream product

• 41010-68-8 2-(4-methoxyphenyl)amino-3-amino-pyridine 
• 98-68-0 4-methoxy-phenyl-sulphonyl chloride 
• 104-94-9 4-methoxy-aniline 
• 5470-18-8 2-Chloro-3-nitropyridine 
• 14317-12-5 N-(4-methoxyphenyl)-3-nitropyridin-2-amine 

Downstream Products

• 141430-73-1 4-Hydroxy-N-[2-[(4-hydroxyphenyl)amino]-3-pyridyl]benzenesulfonamide 
• 141449-94-7 4-Methoxy-N-[2-[(4-methoxyphenyl)amino]-3-pyridyl]-N-methylbenzenesulfonamide 

Relevant academic research and scientific papers

Sulfonamide derivatives

Sulfonamide derivatives of the general formula (I): STR1 wherein preferably R1 represents a lower alkoxy group, R2, R3, R4, R5, R6 and R7 are as defined in the specification, A and B may be the same or different from each other and each represents =N-- or =CH--, E represents an aromatic 6-membered cyclic group, which may have 1 or 2 nitrogen atoms in the ring, and may be substituted with 1 to 3 substituents which may be the same or different from one another with the proviso that a combination of R1 which is a hydrogen atom, lower alkyl group, nitro group or amino group which may be protected, R2 and R3 which are each a hydrogen atom, A and B which are each =CH-- and E which is a phenyl group which may be substituted with 1 to 3 substituents G which may be the same or different from one another is excluded, or pharmacologically acceptance salts of them.