Cyclocarbonylation of acyclic 1, 3-dienes via their tricarbonyl iron complexes: Cyclopenten-2-ones and dicarbonyl cyclopentadienyl iron halides
M Franck-Neumann, EL Michelotti, R Simler…
Index: Franck-Neumann; Michelotti; Simler; Vernier Tetrahedron Letters, 1992 , vol. 33, # 48 p. 7361 - 7364
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Citation Number: 27
Abstract
Abstract Tricarbonyl iron complexes of acyclic 1, 3-dienes can be converted to conjugated cyclopentenones by decomplexation with aluminium halides. Most complexes of a simple dienes need drastic conditions for the cyclocarbonylation to occur (100 Atm CO, 1000 C), with the exception of 1, 1, 3-trialkylbutadiene complexes which are nearly quantitatively converted into cyclopentenones at room temperature, even in the absence of a CO ...
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