R. Grigg et al., PALLADIUM-CATALYZED TANDEM CYCLIZATION-ANION CAPTURE PROCESSES .3. ORGANOBORON ANION TRANSFER AGENTS, Tetrahedron, 53(34), 1997, pp. 11803-11826
The cyclisation-anion capture protocol has been applied to a wide rang
e of starter and terminating species to effect regio-and stereo-specif
ic mono-and bis-cyclisation processes in which a variety of organoboro
nderivatives function as anion transfer reagents. Direct capture (no c
yclisation) is rarely a problem and it can usually be suppressed by mo
dification of the reaction conditions. (C) 1997 Elsevier Science Ltd.