The Suzuki-Miyaura Cross-Coupling Reactions of 2-, 6- or 8-Halopurines with Boronic Acids Leading to 2-, 6- or 8-Aryl- and -Alkenylpurine Derivatives - Havelková, Martina; Dvořák, Dalimil; Hocek, Michal (Synthesis, 2001)