113275-16-4Relevant academic research and scientific papers
THE CONSTITUTION OF RICCARDIN B
Nogradi, M.,Vermes, B.,Kajtar-Peredy, M.
, p. 2899 - 2900 (1987)
The constitution of riccardin B, a macrocyclic bis(bibenzyl) isolated from Riccardia multifida was established by unambigous synthesis of its di-O-methyl ether.
Synthesis and multidrug resistance reversal activity of dihydroptychantol A and its novel derivatives
Sun, Bin,Yuan, Hui-qing,Xi, Guang-min,Ma, Yu-dao,Lou, Hong-xiang
experimental part, p. 4981 - 4989 (2009/12/04)
The macrocyclic bisbibenzyl dihydroptychantol A (DHA), previously isolated from Asterella angusta, was synthesized and showed significant multidrug resistance (MDR) reverting activity in chemoresistant cancer cells. In an attempt to discover more potent M
Total Syntheses of Riccardins A, B, and C, Cytotoxic Macrocyclic Bis(bibenzyls) from Liverworts
Gottsegen, Agnes,Nogradi, Mihaly,Vermes, Borbala,Kajtar-Peredy, Maria,Bihatsi-Karsai, Eva
, p. 315 - 320 (2007/10/02)
Di-O-methylriccardin A (3), riccardin A (1), and riccardin B (4) were synthesized by convergent schemes.Rings A and D of both riccardin A and B, as well as rings B and C of riccardin B were joined by the Ullmann ether synthesis.The aryl-aryl bond in ricca
