52528-97-9Relevant academic research and scientific papers
Chromium-Salen Complex/Nitroxyl Radical Cooperative Catalysis: A Combination for Aerobic Intramolecular Dearomative Coupling of Phenols
Nagasawa, Shota,Fujiki, Shogo,Sasano, Yusuke,Iwabuchi, Yoshiharu
, p. 6952 - 6968 (2021/05/29)
We describe an aerobic intramolecular dearomative coupling reaction of tethered phenols using a catalytic system consisting of a chromium-salen (Cr-salen) complex combined with a nitroxyl radical. This novel catalytic system enables formation of various spirocyclic dienone products including those unable to be accessed by previously reported methods efficiently under mild reaction conditions.
Riccardin C derivatives as anti-MRSA agents: Structure-activity relationship of a series of hydroxylated bis(bibenzyl)s
Sawada, Hiromi,Okazaki, Miki,Morita, Daichi,Kuroda, Teruo,Matsuno, Kenji,Hashimoto, Yuichi,Miyachi, Hiroyuki
, p. 7444 - 7447 (2013/02/21)
Members of a series of macrocyclic bis(bibenzyl) riccardin-class derivatives were found to exhibit antibacterial activity towards methicillin-resistant Staphylococcus aureus (anti-MRSA activity). Structure-activity relationship (SAR) studies were conducted, focusing on the number and position of the hydroxyl groups. The minimum essential structure for anti-MRSA activity was also investigated.
TERPENOIDS AND BIBENZYLS FROM SOME NEW ZEALAND LIVERWORTS
Asakawa, Yoshinori,Campbell, Ella O.
, p. 2663 - 2668 (2007/10/02)
Four liverworts, Marchantia berteroana, M. foliacea, Plagiochila stephensoniana and Porella elegantula collected in New Zealand were chemically investigated.M. berteroana contains cuparene and (-)-2-hydroxycuparene as the major components. γ-Cadinene is the major component of M. foliacea. 4-Hydroxy-3'-methoxybibenzyl is a chemical marker for P. stephensoniana which belongs to the non-pungent type of Plagiochila species.P. elegantula synthesizes perrottetianal and belongs to the non-pungent type of Porella species. - Key Word Index: Marchantia berteroana; M. foliacea; Plagiochila stephensoniana; Porella elegantula; Marchantiales; Jungermanniales; Hepaticae; terpenoids; 2-hydroxycuparene; perrottetianal; bibenzyls; 4-hydroxy-3'-methoxybibenzyl; chemosystematics.
