Anthracene Capped Isobenzofuran: A Synthon for the Preparations of Iptycenes and Iptycene Quinones
作者:Bao-Jian Pei、Wing-Hong Chan、Albert W. M. Lee
DOI:10.1021/ol200309v
日期:2011.4.1
Anthracene capped isobenzofuran 5 (5,6-(9,10-dihydroanthracen-9,10-yl)isobenzofuran) was synthesized for the first time. It is a highly reactive and versatile synthon for the synthesis of iptycene derivatives via Diels−Alder reactions. Cycloadducts 10 could be readily deoxygenated to iptycenes 11. Two new reactions of PhI(OAc)2/TfOH have been explored. Endoxides 10 were directly oxidized to iptycene
首次合成了蒽封端的异苯并呋喃5(5,6-(9,10-二氢蒽-9,10-基)异苯并呋喃)。它是一种高反应性且用途广泛的合成子,可通过Diels-Alder反应合成iptycene衍生物。Cycloadducts 10可以容易地脱氧到iptycenes 11。已探索了PhI(OAc)2 / TfOH的两个新反应。内氧化物10被直接氧化为并茂苯醌12,而异苯并呋喃5方便地转化为三并苯二醛16。H形中央延伸的戊烯并茂醌13和14 也被合成了。