756897-99-1

Upstream product

• 2362-64-3 p-methoxythiobenzamide 
• 766514-39-0 2,6-di(tert-butyl)-4-((p-methoxy)phenyl)-6H-1,3,5-oxathiazine S-oxide 
• 756841-27-7 2,6-di(tert-butyl)-4-((p-methoxy)phenyl)-6H-1,3,5-oxathiazine 
• 630-19-3 pivalaldehyde 

Downstream Products

• 874-90-8 4-methoxybenzonitrile 
• 4115-18-8 3,5-bis-(4-methoxyphenyl)-[1,2,4]thiadiazole 
• 3424-93-9 4-methoxyphenylacetamide 

Relevant academic research and scientific papers

Synthesis, characterization, and reactivity of novel 6H-1,3,5-oxathiazine S,S-dioxides

A series of novel 6H-1,3,5-oxathiazine S,S-dioxides were synthesized by the m-CPBA oxidation (2.2 equiv) of 6H-1,3,5-oxathizines. The synthetic utilities of the newly synthesized cyclic sulfones were investigated. In a thermal condition, compounds 6H-1,3,5-oxathiazine S,S-dioxides were found relatively stable, but Lewis acid-induced thermal reaction afforded the corresponding amides. The plausible pathway to amides from 6H-1,3,5-oxathiazine S,S-dioxides was also discussed in this account.

Novel Conversion of 6H-1,3,5-Oxathiazine S-Oxides into 5-Membered Heterocyclic Compounds

5H-1,2,4-oxathiazoles were efficiently synthesized from 6H-1,3,5-oxathiazine S-oxides by thermal cycloreversion of the substrates and the products were effectively converted into 1,2,4-thiadiazoles.