ChemInform Abstract: Photocyclization of Enaminoesters: Access to 2,3-Dihydroindoles Spiroimides.
Abstract
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ChemInform Abstract
The key step in this approach to the interesting title imides, e.g. (X) , is the photochemical reaction of the intermediate (V). The transformation of these synthons to the known precursors of Aspidosperma alkaloids such as (IX) and (XII) is also performed.