95502-40-2

Upstream product

• 95502-30-0 2,3,5,6-Tetrahydro-3-hydroxymethylene-4H-pyran-4-one 
• 122-39-4 diphenylamine 
• 29943-42-8 Tetrahydro-4H-pyran-4-one 

Downstream Products

• 95502-50-4 3-Chloro-7,8-dihydro-4-diphenylamino-2H,5H-pyrano<4,3-b>pyran-2-one 
• 95777-23-4 3,3-Dichloro-3,4,7,8-tetrahydro-4-diphenylamino-2H,5H-pyrano<4,3-b>pyran-2-one 

Relevant academic research and scientific papers

Reaction of Sulfene and Dichloroketene with N,N-Disubstituted α-Aminomethyleneketones. Synthesis of 5H-Pyrano-1,2-oxathiin and 2H,5H-Pyranopyran Derivatives

The polar 1,4-cycloaddition of sulfene to N,N-disubstituted (E)-3-aminomethylene-2,3,5,6-tetrahydro-4H-pyran-4-ones II, prepared from 2,3,5,6-tetrahydro-4H-pyran-4-one via the 3-hydroxymethylene derivative, occurred only in the case of aliphatic N-substit