Optically active diaryl diselenides carrying C2 symmetrical chiral pyrrolidines are synthesized by the condensation between 2,2′-diselenobis(benzyl chloride) derivatives and chiral pyrrolidines and are applied to methoxyselenenylation of trans-olefins. The observed diastereomeric excess (d.e.) is up to 60%.
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Fujita et al. (1994) studied this question.
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