Synthesis of Carbon-Linked Bis(chromium carbene) Complexes, Bis(azapenams), and Bis(dioxotetraazacyclotetradecadienes)
作者:Erik Kuester、Louis S. Hegedus
DOI:10.1021/om990660g
日期:1999.12.1
Carbon-linked bis(chromium carbene) complexes were synthesized by the bis-alkylation of 1,n-alkyl bis(triflates). Photolysis with N-protected imidazolines followed by deprotection and acid-catalyzed dimerization produced bis(dioxotetraazacyclododecadienes) linked by five- or six-carbon aliphatic chains.
碳连接的双(卡宾铬)配合物是通过1,正烷基双(三氟甲磺酸酯)的双烷基化反应合成的。用N保护的咪唑啉进行光解,然后进行脱保护和酸催化的二聚化反应,生成通过5或6碳脂族链连接的双(二氧四氮杂氮杂环十二碳二烯)。