Synthesis of anti-9-Bromo- and anti-9-Ch
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Melvin J. Goldstein; James P. Barren
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Article
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1986
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John Wiley and Sons
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German
โ 458 KB
The first syntheses of 9-bromo-and 9-chlorobicyclo[4.2.l]nona-2,4,6-trienes were each achieved in three stereoselective steps from the 9,9-bis(selenophenyl) derivative 9 in 79% overall yield for the bromide and 64% for the chloride. A deuterium-labeling experiment reveals the first rearrangement of