102721-77-7

Upstream product

• 64-04-0 phenethylamine 
• 13623-94-4 1,1-di(methylsulfanyl)-2-nitroethylene 

Downstream Products

• 1173429-72-5 N-[4-(methylsulfanyl)-3-nitro-4H-2-chromenyl]-N-phenethylamine 
• 1173429-82-7 N₂-phenethyl-4-[(E)-2-(methylsulfanyl)-1-nitro-2-(phenethylamino)-1-ethenyl]-3-nitro-4H-2-chromenamine 
• 102721-68-6 (Z)-2-nitro-N-phenethylethene-1,1-diamine 

Relevant academic research and scientific papers

A new way for synthetizing (E)-methyl methylsulfanyl(phenylamino)methylene carbamates via Beckmann transposition in triflic acid

At low temperature in triflic acid, nitroketene S,N-acetals with a tethered phenyl ring react to form the corresponding hydroxynitrilium ions. Quenching with methanol leads to the formation of dications which undergo an unexpected Beckmann transposition a

Nitroketene acetal chemistry: efficient synthesis of 2-amino-3-nitro-4H-chromenes

Base-catalyzed reaction of the nitroketene N,S-acetals and the ring substituted 2-hydroxybenzaldehydes afforded a combinatorial library of the 2-alkylamino-3-nitro-4-alkylsulfanyl 4H-chromenes in excellent yields. Nucleophilic displacement of the C4 alkylsulfanyl group with different thiols afforded 4H-chromenes with structural diversity.