Site-Selective Suzuki-Miyaura Reactions of the Bis(triflate) of 5,10-dihydroxy-11H-benzo[b]fluoren-11-one
作者:Peter Langer、Ghazwan Salman、Munawar Hussain、Alexander Villinger
DOI:10.1055/s-0030-1259076
日期:2010.12
5,10-Diaryl-11H-benzo[b]fluoren-11-ones were prepared by Suzuki-Miyaura reactions of the bis(triflate) of 5,10-dihydroxy-11H-benzo[b]fluoren-11-one. The reactions proceed with excellent site-selectivity. The first attack occurs at position 10, due to electronic reasons.
5,10-二芳基-11H-苯并[b]芴-11-酮是通过5,10-二羟基-11H-苯并[b]芴-11-酮的双(三氟甲磺酸)的铃木-宫浦反应制备的。反应具有极好的位点选择性。由于电子原因,第一次攻击发生在10号位置。