期刊
JOURNAL OF ORGANOMETALLIC CHEMISTRY
卷 695, 期 24, 页码 2687-2694出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2010.08.036
关键词
alpha,beta-Vinylester; gamma-Lactones; Iron pentacarbonyl; Photolysis; Catalysis
资金
- DST, New Delhi
- UGC, New Delhi
A facile, one pot, high yield synthesis of alpha,beta-vinylester (1-14) and alkoxy substituted gamma-lactones (15-28) has been achieved by the photochemical reaction of terminal acetylene (ferrocenyl phenyl trimethylsillyl, hexyl and cyclohexyl) with alcohol (methanol, ethanol and isopropanol) and carbon monoxide in presence of iron pentacarbonyl as a catalyst. The selectivity of the compounds depends on the time of photolysis of the reaction as well as the solvent used. A stable reaction intermediate ferrole was isolated, and further photolysis with alcohols, resulted in the formation of a, b-vinylester. All the compounds were fully characterised by spectroscopic methods and the molecular structures of compounds 1, 16, 17 and 20 were established crystallographically. (C) 2010 Elsevier B.V. All rights reserved.
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