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Diastereofacially selective enolate Claisen rearrangements of [4−7-η4-(1-acyloxy-2,4,6-octatrienyl)]tricarbonyliron complexes

✍ Scribed by William R. Roush; Andrea B. Works


Book ID
104256096
Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
243 KB
Volume
38
Category
Article
ISSN
0040-4039

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✦ Synopsis


The enolate Claisen rearrangements of l-4 exhibit very high diastereofacial selectivity with the developing C-C bond forming anti to the -Fe( CO ) 3 substituent.


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We have reinvestigated the anodic oxidation of 1,4~hydro-6.7-d;methoxy-4-(3.4-dimethoxy~l)-2-me~y~~u~o~-3(2H)~ne and found it to yield a new product 2.3.7.9-tetramethoxy-ll-(N-methylscetamido)i~[~,e]~cloh~~m-5~e. In order to investigate reactions of this rype 2-acyl-6.7-~imethoxy-4\_(3,4-dimethoxy~l