Journal
CHEMISTRY-AN ASIAN JOURNAL
Volume 4, Issue 9, Pages 1424-1433Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.200900137
Keywords
alkynes; C-C activation; insertion; manganese; rhenium
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Funding
- Grant-in-Aid for Scientific Research on Priority Areas [18037049]
- Ministry of Education, Culture, Sports, Science and Technology of Japan,
- Japan Society for the Promotion of Science [18750088]
- Sumitomo Foundation and Meiji Seika Co.
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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.
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