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All articles of this category In the presence of n -butyl and t -butyllithium, N -phenethylsuccinimides undergo carbophilic addition to the carbonyl group previous to metal-hydrogen or metal-bromine exchange, while preferential aromatic metalation takes place on the iodinated imide. The cyclizations of the resulting organolithiums allow new and convenient entries to 8,9-dialkoxypyrrolo-[2,1-a]-isoquinolin-3(2H)-ones.
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Lete et al. (1993) studied this question.
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