Tetrahedron Letters p. 1285 - 1288 (1985)
Update date:2022-08-04
Topics:
Ritter, Kurt
Hanack, Michael
The synthesis of the 2,4,6-cycloheptatrienyl ketones 1a-1e by two alternative routes is reported: Route 1): The adducts 3a-c from the phenyl(trimethylsiloxy)-acetonitriles 2a-c, known as "umpolung" reagents, and tropylium tetrafluoroborate are cleaved by
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