... Tetrahedron. Volume 63, Issue 14, 2 April 2007, Pages 3010–3016. Cover image Cover image. Practical and efficient entry to isoflavones by Pd(0)/C-mediated Suzuki–Miyaura reaction. ... HRMS (EI) calcd for C 22 H 23 O 6 (M+H) 383.1495, found 383.1496. 4.3.5. Isoflavone (14). ...