Verfahren zur Herstellung von vicinalen Polycarbonylverbindungen
申请人:BASF Aktiengesellschaft
公开号:EP0122576B1
公开(公告)日:1985-11-06
JPS62103055A
申请人:——
公开号:JPS62103055A
公开(公告)日:1987-05-13
US4231927A
申请人:——
公开号:US4231927A
公开(公告)日:1980-11-04
Ugi post-condensation copper-triggered oxidative cascade towards pyrazoles
作者:Aurélie Dos Santos、Laurent El Kaim、Laurence Grimaud、Caroline Ronsseray
DOI:10.3762/bjoc.7.153
日期:——
Pyrazolidinones were prepared in a two-step sequence starting from alpha-hydrazonocarboxylic acids. After a four-component Ugi coupling, the resulting hydrazone was engaged in a copper triggered [3 + 2] cycloaddition/aerobic oxidation cascade.
从α-腙羧酸开始,以两步顺序制备吡唑烷酮。在四组分 Ugi 偶联后,产生的腙参与了铜触发的 [3 + 2] 环加成/有氧氧化级联反应。