138841-08-4

Upstream product

• 2435-53-2 o-tetrachloroquinone 
• 138841-03-9 2-Acetoxy-6-furan-2-yl-4-thiophen-2-yl-cyclohexa-1,3-dienecarboxylic acid ethyl ester 
• 108-24-7 acetic anhydride 
• 146016-80-0 ethyl 4-(2-thienyl)-6-(5,6,7,8-tetrachloro-3a,9a-dihydrofuro<2,3-b><1,4>benzodioxin-2-yl)salicylate 
• 138841-05-1 2-Acetoxy-6-furan-2-yl-4-thiophen-2-yl-benzoic acid ethyl ester 

Relevant academic research and scientific papers

Cyclohex-2-en-1-ones in Heterocyclic Synthesis: Facile Synthesis of 5,6-Dihydrocoumarins, their Thio Analogues and their Corresponding Dehydrogenated Derivatives

Novel sythesis of 5,6-dihydrocoumarins, their thioanalogues and their corresponding dehydrogenated derivatives utilizing substituted cyclohex-2-en -1-ones as starting components is reported.Key words: 5,7-Disubstituted-4-hydroxycoumarins, Lawesson Reagent

Tetrachloro-o-benzoquinone in Organic Synthesis: A Novel Synthetic Route to Pyrazolobenzoxazines and 5,7-Disubstituted-4-hydroxycoumarins

A novel synthesis of dihydropyrazolobenzoxazines and their corresponding pyrazolobenzoxazines utilizing tetrachloro-o-benzoquinone - as a dehydrogenating agent - is described.Also, this simple method of dehydrogenation succeeds in