78237-42-0

Upstream product

• 59426-87-8 1,3-bis-(4-methoxyphenyl)cyclopenta[a]indene-2,8-dione 
• 118-92-3 anthranilic acid 
• 1287660-56-3 11-oxo-11H-benzo[b]fluorene-5,10-diyl-bis(trifluoromethanesulfonate) 
• 5720-07-0 4-methoxyphenylboronic acid 
• 176516-27-1 5,10-dihydroxy-11H-benzo[b]fluoren-11-one 
• 480-90-0 1H-inden-1-one 
• 62422-95-1 1,3-di-p-tolylbenzo[c]furan 

Downstream Products

• 78237-34-0 C₂₉H₂₀O₂ 

Relevant academic research and scientific papers

Diels-alder reaction of 1,3-diarylbenzo[ c ]furans with thiophene S,S -dioxide/indenone derivatives: A facile preparation of substituted dibenzothiophene S,S-dioxides and fluorenones

One pot syntheses of substituted dibenzothiophene S,S-dioxides and fluorenones were successfully achieved by Diels-Alder reaction of benzo[c]furans with thiophene S,S-dioxides and indenones, respectively. Photophysical properties of representative seven- and nine-membered dibenzothiophene S,S-dioxide acenes were also reported.

Site-selective suzuki-miyaura reactions of the bis(triflate) of 5,10-dihydroxy-11 H -benzo[ b ]fluoren-11-one

5,10-Diaryl-11H-benzo[b]fluoren-11-ones were prepared by Suzuki-Miyaura reactions of the bis(triflate) of 5,10-dihydroxy-11H-benzo[b]fluoren-11-one. The reactions proceed with excellent site-selectivity. The first attack occurs at position 10, due to elec

Polycyclic Aromatic Compounds: Part III-Synthesis of 1,3-Diaryl-2,8-dihydro-2,8-dioxocyclopentadienes and Their Conversion into Fluorenone and Fluorene Derivatives

1,3-Diaryl-2,8-dihydro-2,8-dioxocyclopentadienes (IV) have been prepared from ninhydrin hydrate (I) and 4,4'-disubstituted dibenzyl ketones (II).During the formation of (IV), a side product has also been isolated, and assigned structure (V) based on chemical and spectral evidences.The dienones (IV) readily undergo cycloaddition reaction with ethylenic and acetylenic compounds forming fluorenone derivatives which on subsequent reduction afford fluorenones.