sulfasalazine is a drug with a long history. in addition to being used to treat ulcerative colitis, it has also been used to treat rheumatoid arthriti…

preparation background and overview of 5-amino-2-methylpyridine pyridine compounds are currently one of the most widely developed and applied varietie…

background and overview of the preparation method of methyl 4-methoxypyridinecarboxylate 4-methoxypyridinecarboxylic acid methyl ester is an organic i…

background and overview of the preparation method of high-purity calcium carbonate 3-methylaminopyridine 3-methylaminopyridine is an organic intermedi…

background and overview of preparation and application of 2,5-difluoropyridine 2,5-difluoropyridine is a starting material for the synthesis of many d…

preparation and application background and overview of 2-amino-6-fluoropyridine 2-amino-6-fluoropyridine is an organic intermediate that can be prepar…

preparation and application background and overview of 4-bromopyridine-2-carbonitrile 4-bromopyridine-2-carbonitrile is also called 4-bromocyanopyridi…

preparation and application background and overview of 2-cyano-4-methylpyridine 2-cyano-4-methylpyridine is an organic intermediate that can be obtain…

background and overview of several preparation methods of 2-chloro-3-cyanopyridine 2-chloro-3-cyanopyridine is a common and important intermediate in …

preparation method, application background and overview of 3-chloro-2-fluoropyridine 3-chloro-2-fluoropyridine is an organic intermediate that can be …

dmap is one of the few 4-dialkylaminopyridine derivatives that can efficiently catalyze acylations reactions. boc is a widely used protective group fo…