Rhenium- and Manganese-Catalyzed Insertion of Alkynes into a Carbon-Carbon Single Bond of Cyclic and Acyclic 1,3-Dicarbonyl Compounds
Rhenium- and Manganese-Catalyzed Insertion of Alkynes into a Carbon-Carbon Single Bond of Cyclic and Acyclic 1,3-Dicarbonyl Compounds
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DOI：
10.1002/asia.200900137
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发表时间：
2009-01-01
影响因子：
4.1
通讯作者：
Takai, Kazuhiko
中科院分区：
文献类型：
--
作者：
Kuninobu, Yoichiro;Kawata, Atsushi;Takai, Kazuhiko
用环状和非环状的1，3-二羰基化合物在催化量的络合物或锰络合物的存在下处理炔，分别得到扩环和碳链延伸产物。在这些反应中，炔插入到1，3-二羰基化合物的非应变碳-碳单键中。通过加入4埃分子筛代替催化量的异氰化物也促进了扩环反应。
Treatment of alkynes with cyclic and acyclic 1,3-dicarbonyl compounds in the presence of a catalytic amount of a rhenium or manganese complex gives ring-expanded and carbon-chain extension products, respectively. In these reactions, alkynes insert into a non-strained carbon-carbon single bond of 1,3-dicarbonyl compounds. The ring-expansion reaction is also promoted by the addition of 4-angstrom molecular sieves instead of a catalytic amount of an isocyanide.