An efficient synthesis of the title benzopyranodione derivatives based on a Michael addition/cyclization sequence between 2-(1-hydroxyalkyl)-1,4-benzoquinones and enamines (or an imine) is described.
Reductive Aromatization of Quinols: Synthesis of the <i>C</i>-Arylglycoside Nucleus of the Papulacandins and Chaetiacandin
作者:Kathlyn A. Parker、Asimina T. Georges
DOI:10.1021/ol991346l
日期:2000.2.1
2-addition of lithiated glycal 9b to functionalized quinone 7 provided, after reductive aromatization, C-arylglycoside 11b. Treatment with mCPBA afforded the tricyclic papulacandin framework. Alternatively, hydroboration gave the chaetiacandin nucleus.
7H-dibenzo[b,g][1,5]dioxocin-5-one derivatives and use thereof
申请人:Bischoff Hilmar
公开号:US20060247303A1
公开(公告)日:2006-11-02
The present invention relates to substituted 7H-dibenzo[b,g][1,5]dioxocin-5-one-derivatives, to processes for their preparation and to their use in medicaments, in particular as inhibitors of the cholesterol ester transfer protein (CETP) for the treatment and/or prevention of cardiovascular disorders, in particular hypolipoproteinaemia, dyslipidaemias, hypertriglyceridaemias, hyperlipidaemias and arteriosclerosis.
7H-DIBENZO[B,G][1,5]DIOXOCIN-5-ON-DERIVATE UND IHRE VERWENDUNG
申请人:Bayer HealthCare AG
公开号:EP1560630A2
公开(公告)日:2005-08-10
[DE] 7H-DIBENZO[B,G][1,5]DIOXOCIN-5-ON-DERIVATE UND IHRE VERWENDUNG<br/>[EN] 7H-DIBENZO[B,G][1,5]DIOXOCIN-5-ONE DERIVATIVES AND USE THEREOF<br/>[FR] DERIVES DE 7H-DIBENZO[B,G][1,5]DIOXOCINE-5-ONE ET LEUR UTILISATION
申请人:BAYER HEALTHCARE AG
公开号:WO2004039453A2
公开(公告)日:2004-05-13
Die vorliegende Anmeldung betrifft substituierte 7H-Dibenzo[b,g][1,5]dioxocin-5-on-Derivate, Verfahren zu ihrer Herstellung sowie ihre Verwendung in Arzneimitteln, insbesondere als Inhibitoren des Cholesterin-Ester-Transfer-Proteins (CETP) zur Behandlung und/oder Prävention kardiovaskulärer Erkrankungen, insbesondere von Hypolipoproteinämie, Dyslipidämien, Hypertriglyceridämien, Hyperlipidämien und Arteriosklerose.