84802-61-9

Upstream product

• 17789-08-1 N-<2,3-Diphenylcyclopropenylidene>-p-toluenesulfonamide 
• 37026-11-2 1-cyano-2-ethoxy-1-(isoquinolin-2-yl)-2-oxoethan-1-ylid 

Downstream Products

• 84802-45-9 N-(5-Cyano-6-oxo-3,4-diphenyl-6H-pyran-2-yl)-4-methyl-benzenesulfonamide 
• 84802-47-1 2,6-diamino-3,4-diphenylpyridine 
• 84809-59-6 N-{6-[Acetyl-(toluene-4-sulfonyl)-amino]-4,5-diphenyl-pyridin-2-yl}-acetamide 
• 84802-49-3 N-[4,5-Diphenyl-6-(toluene-4-sulfonylamino)-pyridin-2-yl]-acetamide 
• 84802-46-0 N-(6-Amino-3,4-diphenyl-pyridin-2-yl)-4-methyl-benzenesulfonamide 
• 84802-50-6 N-(6-Amino-4,5-diphenyl-pyridin-2-yl)-4-methyl-benzenesulfonamide 

Relevant academic research and scientific papers

Reaction of N-(p-Tolylsulfonyl)diphenylcyclopropenimine with Pyridinium and Isoquinolinium Ylides

N-(p-Tolylsulfonyl)diphenylcyclopropenimine (2) reacted smoothly with pyridinium N-carbethoxyamide (3) to afford a new ylide (5), in addition to stilbene 4, uracil 6, and pyrimidone 7.An observed thermal transformation of 5 to 6 and 7 is discussed.Reaction of the cyanocarboethoxy methylides 15a-c with 2 produced the internal salts 16a-c, while the dicarbethoxy, monocarbethoxy, and benzoyl methylides 15d-f gave the pyridine-free cyclics 26, 28, and 29, respectively.The isoquinolinium methylides 31a-c reacted in an analogous fashion, while the N-amides 33a,b afforded cycloadducts 34a,b.A series of reactions used to correlate the structures of the latter is described, including an observed cycloaddition mode for diphenylcyclopropenone (1) with 33a-c which yielded 39, 37, and 42, respectively.