已开发出一种有效的苯并[ b ]吨蒽酮体系新途径,并将其应用于几种新衍生物的合成。色酮-3-羧醛12的环加成反应(作为亲二烯体)与邻-苯并醌二甲烷7反应,得到环加合物8和9的非对映异构体混合物。这些化合物的形成是由12和7的Diels–Alder反应以及随后的原位甲酰化作用引起的。在碘的存在下,用二甲基亚砜氧化加合物8和9生成了新颖的苯并[ b ]氧杂蒽11 丰产。
Über Azofarbstoffe aus Arylestern der 2-Oxy-3-naphthoesäure und der 1-Oxy-2-naphthoesäure
作者:E. Jusa、A. von Janovich
DOI:10.1007/bf01798090
日期:1937.12
12H-BENZO[b]XANTHEN-12-ONES, COMPOSITIONS CONTAINING, AND USES OF, SAME
申请人:Beeley Nigel Robert Arnold
公开号:US20180179174A1
公开(公告)日:2018-06-28
The present invention provides compounds of the following structure,
methods of using such compounds, and pharmaceutical compositions containing such compounds. In addition, this invention provides methods for the treatment and/or prevention of disease states mediated by Aryl Hydrocarbon receptor pathways.