Efficient Heterogeneously Palladium-Catalysed Synthesis of Stilbenes and Bibenzyls
作者:Giuseppe Cusati、Anja Wedig、Laurent Djakovitch
DOI:10.2174/157017809787003043
日期:2009.1.1
An alternative heterogeneously palladium catalysed procedure for the synthesis of functional stilbenes and bibenzyls is reported. Starting from aryl bromides and using simple commercially available Pd/C catalyst at a low catalytic rate (1 mol%), stilbenes are obtained with 30-100% GC-yields and bibenzyls are produced in a one-pot fashion with 27-100% GC-yields. The procedure showed, however, some limitations when applied to strongly deactivated aryl bromides that could be in some extent overcome by using corresponding iodo derivatives.
Diaryl alkane derivatives containing an alicyclic group, their preparation and their therapeutic and prophylactic uses
申请人:SANKYO COMPANY LIMITED
公开号:EP0790235A1
公开(公告)日:1997-08-20
Compounds of formula (I):
[in which: R1 represents a saturated heterocyclic group attached to the bond or group represented by A through a ring carbon atom; R2a, R2b, R2c, R3a, R3b, R3c and R3d are hydrogen or various other groups or atoms; and A represents a single bond or an alkylene group having from 1 to 6 carbon atoms] are serotonin 2 receptor antagonists and have the ability to inhibit the activity of squalene synthase. They can not only prevent and inhibit the development and progression of arteriosclerosis but can also inhibit thrombosis in arteriosclerotic lesions and can improve hemodynamics.