[EN] CARBOLINE AND BETACARBOLINE DERIVATIVES FOR USE AS HDAC ENZYME INHIBITORS<br/>[FR] DERIVES DE CARBOLINE ET DE BETACARBOLINE INHIBITEURS DE L'ENZYME HDAC
申请人:CHROMA THERAPEUTICS LTD
公开号:WO2004113336A1
公开(公告)日:2004-12-29
Compounds of formula (IA) and (IB) are inhibitors of histone deacetylase activity and useful for the treatment of, inter alia, cancers: wherein fused rings A1 and A2 are optionally substituted; linker radical R1 represents a radical of formula
DBN has been identified as an efficient reagent for promoting the dehydrogenative/decarboxylative aromatization of tetrahydro-β-carbolines under air atmosphere, to access the corresponding β-carbolines in moderate to good yields. The utility of this protocol for the gram-scale synthesis of β-carboline alkaloids eudistomin U (7) and harmane (10) has also been demonstrated.