78237-28-2Relevant academic research and scientific papers
Regioselective Suzuki-Miyaura Cross-Coupling Reactions of the Bis(triflate) of 1,4-Dihydroxy-9 H -fluoren-9-one
Sonneck, Marcel,Kuhrt, David,Kónya, Krisztina,Patonay, Tamás,Villinger, Alexander,Langer, Peter
, p. 75 - 79 (2016)
1,4-Diaryl-9H-fluoren-9-ones were prepared by regioselective Suzuki-Miyaura cross-coupling reaction of the bis(triflate) of 1,4-dihydroxy-9H-fluoren-9-one. The reactions proceeded with excellent site selectivity. The first attack occurs at position 1, due to electronic reasons.
Polycyclic Aromatic Compounds: Part III-Synthesis of 1,3-Diaryl-2,8-dihydro-2,8-dioxocyclopentadienes and Their Conversion into Fluorenone and Fluorene Derivatives
Bandyopadhyay, T.K.,Bhattacharya, A.J.
, p. 91 - 94 (2007/10/02)
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.
