77316-88-2Relevant articles and documents
Synthesis of C - C-Bridged Bis-Isoflavones
Al-Maharik, Nawaf I.,Kaltia, Seppo A. A.,Mutikainen, Ilpo,Waehaelae, Kristiina
, p. 2305 - 2308 (2007/10/03)
Unique C - C-bridged bis-isoflavones 5, 8, and 9 were obtained by reaction of 2-bromomethyl-7,4′-dimethoxyisoflavone 4 with ethyl cyanoacetate anion or tetraethylammonium cyanide or by Pd-catalyzed ethoxycarbonylation, respectively. The phenolic carboxylic acid 7 is available from 5 in two steps.